Wirtschaft - schnell erfasst
Robert Richert
Mikroökonomik - Schnell erfasst
13
Reihenherausgeber Dr. iur. Detlef Kröger Prof. Dr. Peter Schuster Autor Professor Dr. Robert Richert Fachhochschule Schmalkalden Fachbereich Wirtschaft Blechhammer 4+9 98574 Schmalkalden
[email protected] Redaktion Claas Hanken Graphiken Dirk Hoffmann
ISSN 1861-7719 ISBN 978-3-540-76853-1 e-ISBN 978-3-540-76854-8 DOI 10.1007/978-3-540-76854-8 Springer Heidelberg Dordrecht London New York Die Deutsche Nationalbibliothek verzeichnet diese Publikation in der Deutschen Nationalbibliografie; detaillierte bibliografische Daten sind im Internet über http://dnb.d-nb.de abrufbar. © Springer-Verlag Berlin Heidelberg 2010 Dieses Werk ist urheberrechtlich geschützt. Die dadurch begründeten Rechte, insbesondere die der Übersetzung, des Nachdrucks, des Vortrags, der Entnahme von Abbildungen und Tabellen, der Funksendung, der Mikroverfilmung oder der Vervielfältigung auf anderen Wegen und der Speicherung in Datenverarbeitungsanlagen, bleiben, auch bei nur auszugsweiser Verwertung, vorbehalten. Eine Vervielfältigung dieses Werkes oder von Teilen dieses Werkes ist auch im Einzelfall nur in den Grenzen der gesetzlichen Bestimmungen des Urheberrechtsgesetzes der Bundesrepublik Deutschland vom 9. September 1965 in der jeweils geltenden Fassung zulässig. Sie ist grundsätzlich vergütungspflichtig. Zuwiderhandlungen unterliegen den Strafbestimmungen des Urheberrechtsgesetzes. Die Wiedergabe von Gebrauchsnamen, Handelsnamen, Warenbezeichnungen usw. in diesem Werk berechtigt auch ohne besondere Kennzeichnung nicht zu der Annahme, dass solche Namen im Sinne der Warenzeichen- und Markenschutz-Gesetzgebung als frei zu betrachten wären und daher von jedermann benutzt werden dürften. Einbandentwurf: WMXDesign GmbH, Heidelberg Gedruckt auf säurefreiem Papier Springer ist Teil der Fachverlagsgruppe Springer Science+Business Media (www.springer.com)
Vorwort
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4.3.1 Änderungen der relativen Preise .#'&!(*#&'/#&(''&'*&/!(#'-+ '## 0()#'$"(()#& )(&# &'%!'+'+#!)# )(#'()&&'(#0& # )'!( %%$&()#(/(' $'(# 0& # ) *$# )( #' &#'" !!)"&#(#*$# )(-+*&-(#")''
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4.3.2 Änderungen des Preisniveaus
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5.2 Statisches Konsumoptimum &''&! "!&( "#' ( %-' % #%)' (&' ! !% !! %" &! + & ('-!!)( "! &! ( '%&'%'"! -( )%'-! + %' % &!! "!&( *% % &! (' (&&/#! % !% %&&'%('(% ! &'%' &!! ('-! -( + %! "! ( %(! % 0'% !##' &!! & '% )" %! -( /!!! (&& &! '' &" !&'-! && "!&( "#' ( %!-!('-! %"!&( %'! 0'%&!&&'% !'&*'!
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5.3 Einkommensvariationen ,$$ , ) 1$, $ *)-.)2 $ , , $- - $)&*(( ) ,#'. ) 1$,$) $) ( )" )$",(($ $)&*(( )*)-/(/,0 /) $) $) ($)&*(( ) )" )$",(($ )" '/,0 -"$'.
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' )&* &!(# +& #" +& " ## &"" + # !)# '."(! ##(!%)# ( *$# )(&# )#
#&#- )&*# )#(&'!& *)' "(##& *&## # $""#$#')")&* +& ) # $""#',%#' $#'% ###( $#'(#- & &!(*# &' +& &%' )&'&'(!!(''()##&)(&#! '# &($# ' # $""#' +& )& &!!!*& ')## & )(&# !!)'(&&( +$ +(& )1# ! # )(&# # /&' # $""# +&'%!# +!# ##(!%)# ( #& #&#- )&* "( #& ) (&# '(!!# $%("!# $#')"%!.# &
5.3.2 Engel-Kurve #!)&* '( & $"(&' &( !!& $"#($## *$# 0(&"# )# # $""# +! $#'(#- ' &'' )# &($# ' # $""#' +!# $#')"$%(" #' %& *(# )!(' &'(!!#
%!)#!'/,0!%)%' /)# %! !)(!) !- !/.-$!)* 3%'5&*)*(!) $,%-.%) *,!)3 ,)-. )#!' .,4#. '4--. -%$ /- !, %)&*((!)*)-/(/,0! $!,'!%.!) %)&*( (!)-4) !,/)#!) 1!, !) )%$. 1%! !% !, %)&*((!)*)-/( /,0! %(+'%3%. 6!, /).!,-$%! '%$! / #!.#!, !) ,#!-.!''. -*) !,) !2+'%3%. /" !, , %).! #!(!--!) 14$,!) /" !, - 3%--! %! !)#!)!%)$!%.!) !%)!- /.!- #!.,#!) 1!, !) )'*# '%!7!-%$ %!)#!'/,0!"6, -31!%.!/.!,(%..!')
5.4 Direkte Preisvariationen ,%%!,!)1%,!%*)-.)3 !-%)&*((!)- !),!%- !-!.,$.! .!) /.!- !,$'.!) 1%, %) !%)!( !)#!)%#,(( %! ,!%-*) -/(/,0!/) %)!%)!(,!%-!)#!)%#,(( %!6.!,)$", #!&/,0! - #%'.
5.4.1 Preis-Konsum-Kurve '(%$(*#*'+ () ' %#)'( ') ""' %#$)% $$ +%$ /)'#$$ ," %$()$- ( $!%##$( *$ ')%$ ( '(( $( *)( ,"$ %$(*#%&)# $( &'+)$ *")( '()""$
$ "*$ ($!$ ,' $ *$ $ $ '( +%$ *) $((%((#%'#"""'((*)( ()) '(%$(*#*'+ '")$ ,' $# ,' # $$ '## (.#)" $$)"&*$!) +%$ *)'$ *$ $'$-!*' +$ *$)'("' *)-$$+*( #)$$' +'$$ ')%$ ' '")+$ '( ,' '&( *' ('()"") (( )*$$ ' *)'$ +''$ ,"$ $$)"&*$!) $' $'$-!*'+ #) $' *)'$ ()""$ %&)#"$ %$(*#&".$ '
5.4.2 Nachfragekurve #+#4(+.(!,+#,, 6+.-#(,#(#+%-#'(!(# !+'' 6+ #( +".(! + .!-!+( .,!+6%- +"&-( 0#+ # +#,)(,.'.+/ -&&( 0#+ #, +#,/+#-#)( 1* 3#- #( #(' +#,(!(#!+'' + +"&-( 0#+ # " + !%.+/ # #( #&.(! +!,-&&- #,- # " +!%.+/ #,- + !)'-+#," +- &&+ )'#(-#)(( /)(+#,(.(6-+'(!(#(,.-,0&"#+#-#)(, +#,, # $0#!( )(,.')*-#' #(, *+#/-( ."&-, + ,-&&(
')+'& &&0#,-#" +!%.+/#((!-#/-#!.(!.
# " +! .(%-#)( ,-&&- # " +! #(, .-, #( "5( !#!%#- /)' +#, +
' )&!(( !"( 0#+ /)( ., ,, #( " +!%.+/ #( #(' +#,(!(#!+'' -2*#,"+0#, &&( /+&5. - &.,#& +,"#(- #, (("' 0#& #( *+#/-+ .,"&- #'
$ #$ # % $ &%$ #%(! #$ # $&%$% #$ $#* %
WER SCHON HAT, DER KAUFT NICHT MEHR *%%& $ $% ##% ( %)% % # # )& #$ '! & #% (# ( # ! $& % ! % # #% $% ,# & # (% # ,%# % #$ )& ) #"$ $% $ #$ # # %%"& % # #' % # $)$$
# #!%'"#$ $% ##% ( # # & (# ( # !##% #$ )& ! $% # # #$ & % $ % (# )& $% ,%# % #% #"$ $% $ #$ # # %%"& % # #'%# # %
# $#'%! $"#$ . & !#%$"#$ !# # & $#%$% . $% # #$ $ ! $& % # % )($ & & % & $ &%$ '#*% #$#'%! $"#$'#+#"#%$!% & #$# ! $& % ,%# % &% %##$& % +# $ # $#'%! $"#$ &% # ! $& % % % # #$ & % ## $ # $#'%! $ "#$ &% # #"$ (# #$ # $#'%! $"#$ $ ! $& % $ #' #"#*$ %#%
"($% $'"&#" %& & ) " '" " $% " +"&(#"$$"%'&%$
"($% $'$( !%%& ) # $ $% %" !,%%& '!"%&!!&$'$&*'$ &"
5.5 Kreuzpreisvariationen $$" )$ #"%&"* % "#!!"% " $% % "$" '&% $ &" )$ " "! ""$!! $%#"%'! '$( '" " "! $%""$!! $'*"$ '$( % &
5.5.1 Preis-Konsum-Kurve #$ ! $& ' $% - ( ! )% - # !%#$ #% # ! %! '! +%# ( ! $% ) $ ! $& #$'#%! $ &%$( ! $&!"% $ "#'% &%$ #$%
%#$ ) #$ ! $& ' (# #% #$'#%! #%% '## (# & % #$$ &%$$$ #* #& (#%#% $! # #$ $ # &%$ & $# $" $ % # #$ $&)$$'
5.5.2 Kreuznachfragekurve #&) #' $% # !%#$ #% # ! % ! '! #&)"#$ & +%# $ &%$ ( #%! $ #$$ $ &%$( ! $&!" % $ "#'% &%$ #$%
& "$,& ."*+"),/&!) #,)-')!$-'& "& ('*"+"- ,&+)!$ -'& "& & +"- +" ,& , "** !0 &'%& .'$$& .") )#$0)& "&% .") &+$& ) ),/&!) #,)--'& 1) &!.&)&%$$"&))"**,& * ,+*/.".")"!) *,+*"&*/,)1# !& )()" -+,*!$+*,*+"+,")+*)$+"-+,)) .')&,+"&*,)! * 1&*+" ) .')&,+/." "*) #+"*+,% -'& /, ) '%"&&+ " 1+)&!) -'& ,+ "&* *"+ -'& , "+ ) )"* * /."+& ,+* &'! *+0)#) "& "!+,& +)"++ "& &)) #+ "& & ')) ),& , ),& * *+" && $"'%%&* !)-') ),& ,)! " )"* *,& -'&,+/."#&&*"!)()"-+,*!$+&"!+&,)-'% 1&*+" ) .')&& ,+ /." *'&)& ,! -'% )$+"- +,)) .')&& ,+ "&* %!) 1+)"&!"+& $"*+& *' ** *"& !) -'&,+"&*-'& , *+" +
5.6 Konsumentenrente
' *).$$( %$(*#$)$()$' " 0' "( (#) # *&'( ,')) 1)'#$ ' !%$(*#') *(()
$$ ( * $ '$.!%$(*#$)$ ' , $ "*$ # *$!) -!) $ '( $)')) ' ($' #'$"$ "*$( ')() $)(&') .") ' %$(*#$) $$ '$'$ '( "( ' ') () .* ."$ '$. !$$ "( .*(/)."' *).$$)'&')'),'$*$,'%$(*#$)$'$)$$$)
%$(*#$)$'$) $( &'+)$ *(")( () '$. .,($ ($' 0'$ #'$"$ "*$(')() *$ # $''$ '!)&'( '&( () ( +')!" #(($
'$..,($''!*'+*$''('$
(' *(##$$ () $ "*$ '()"") $ ' %$(*#$)$'$) $( $."$$ *(")( *' $!') +%#*$!) *''!*'+.*#*$!)*''( '$'()""),'
&%)+$%*%(%* ##( '( ,*% +)#* )* +$$ ( !- # % (%.% .- )% (% 0(% $( %#% #+%)( *)*% +% $ % ( (% ("*'( ) (' ) )* ) #/ +%*(# ( ("+(, +% &(# ( ( )(%
% #+% )*##* &%)+$%*%(%* ##( '( ,*% +) #* #/))( (*%( ")(
5.7 Intertemporales Konsumoptimum 1( % '( ,*% +)#* "%% ) ,&(* #* ) % ) %( &%)+$ %*) +% %% $('( & % *&( .&%* .+(+% .+ #%
)' #)- ) "%% % &(. % ,&% +"+%*)"&%)+$ % %-(* %) %$%*())# %% )$ ##$+))(+)#* % ( %-(* %*)'(% #)& %% ( * +%$% +$ 1( ) % %-(*) %"&$$% %+)%% &%)+$-1%) ( % .+ "0%%% % ( +"+%* $+)) ( ) $ &% )+$,(. * 1% +% ) %% ( * )$* %)% .+(1".#% $ "(*$) %"+(.( )* (&%)+$,(. * %( %-(*
1( % +) #* +)/ #% -%% ( )! +( !#% ,&% ()'( %!))%!%( %-(*+%(#(+%)!%)&%)+$)!%!+ "+%* #%(!)*! ))( )*##* % !% 0##% )*(* ( +) #* % )!%$ !%*(*$'&(#% &%)+$&'*!$+$ ))% #"1# !$ %% ,(%) +#! * -!(
+( (!% +% *( *% -!( % !% )*% ('(!&% ## % -!(!&% ## % !#+% -(% + ( )/!)) ! %-(*)-(* 1( !%"&$$% &%)+$ +% ()'(%!) *(%+((!%*! (%*)'( %%+"+%*)-(* ! %!(%/"+(,('(0)%*!(*)+*/%%!,+!((!&%) )! !% !%( )*0("(% (0(%/ 1( % %-(*) /! +%) -!) 1( % +"+%*)"&%)+$ %!() #% "%% ! +* ( ('(0)%*!(* ! +*#! +% 1( ! (!&% &$!* "%% ( +) #* * &(*!) )* )!% )$*) +* +) /-! (!&% !% ( %-(* ,(+)% $+)) %% ( !%% !%) *(%% (!* +% $% +% )!% +#% )$* !%)% !% ( /-!*%(!&/+)*%)!%)+"+%*)"&%)+$)/+(1"/ #%$ %(% .*($## "%% ( /++%)*% )!%) +"+%*)"&%)+$) !% ( %-(* 0%/#! + &%)+$ ,(/! *% +% !%) *(%
-.,-*%..! %( !* %! !- %* !- 42!%/!* !-%+ ! 0"(7./ !- %* "$$!%/ $(!- .!$!* 2%- 1+* !- 3%./!*4 !%*!. !%*'+))!*.0* $6*#%#!* 0/+*+)!* +*.0).
!)69 .!%*!- %*/!-/!),+-(!* 0/4!*"0*'/%+* %./ !- 40 )3% )%!-!* ! 0/4!* !. ,-%1/!* 0.$(/. ,+.%/%1 1+) !#!*2-/. 0* 0'0*"/.'+*.0) $6*#%#
!#!*2-/. 0* 0'0*"/.!%*'+))!* / !4%!$0*#.2!%.! / .%* #!#!!* !#!*2-/. 0* 0'0*"/.'+*.0) / !4%!$0*#.2!%.! / -0$!* )%/ !* ,!-%+ !*#(!%$!* %*'+))!* *%$/ 8!-!%* 40 ./%))!* %! 0 #!/-!./-%'/%+* *%$/ "8- &! ! !%*4!(*! !-%+ ! .+* !-* "8- %! 0!- 1+* 42!% !-%+ !* !%*#!$(/!* 2!- !* )0.. %! %*/!-/!),+-(! 0 #!/-!./-%'/%+* .$-!%!* 2%- %* %$-!!3/-!)!* +-) (. 0 #!/#(!%$0*# !- 0.$(/ *$ 42!% ! -%+ !* .!%* #!.)/!. 0 #!/ 0.#!.$7,"/ $!* .+(( !#!*2-/. '+*.0) ,(0. #!4%*./!) 0'0*"/.'+*.0) )8..!* !) !#!* 2-/.!%*'+))!* ,(0. #!4%*./!) 0'0*"/.!%*'+))!* !*/.,-! $!*
%! 0 #!/#!- ! 4!%#/ .6)/(%$! +)%*/%+*!* 1+* !#!*2-/. 0* 0'0*"/.'+*.0) * %! .%$ !%* 0.$(/ #!- ! *+$ (!%./!* '** %! ++- %*/!* 1+* !#!*2-/. 0* 0'0*"/.!%*'+))!* )8..!*0" !-0 #!/#!- !*(%!#!* !% !%*'+))!* %!0 #!/$7$! !/!-)%*%!-!* 5/ .%$ !- 0.$(/ %* !- !#!*2-/ %* .+(0/!- */$(/.)'!%/ 0* 1!-2!* !/ !- .6)/(%$! !..+0-!* 0" .!%*!* 0'0*"/.'+*.0) !-$(/!*2%- !*)3%)()7#(%$!*0'0*"/.'+*.0) %!0 #!/#(!%$0*# 1!-!%*"$/.%$40
) !* - %*/!*.$*%// !- 0 #!/#!- !* 40 !-)%//!(* (7.!*
2%- (!%$0*# *$ 0" 8- !* )3%)( )7#(%$!* 0 '0*"/.'+*.0) 1!-2!* !/ !- ,-%1/! 0.$(/ .!%* 0"#!4%*./!. ! #!*2-/.!%*'+))!* .+2%! .!%* 0'0*"/.!%*'+))!*
"-2"*!"/ !"- 0.%(/ ((" "..+0- "* #7- ."&*"* "$"*2-/.'+* .0)0*!1"-4& %/"/"-$5*4(& %0#0'0*#/.'+*.0)"-%(/"*2&-!"* )3&)( )6$(& %"* "$"*2-/.'+*.0) 0- % ("& %0*$ &./ !"- .4&.."*. %*&// !"- 0!$"/$"-!"* $"$""*7-!"*)3&)()6$(& %"*"$"*2-/.'+*.0)1"-2"*!"/ !"- ,-&1/" 0.%(/ ."&* "$"*2-/."&*'+))"* 0*! ."&* $" 4&*./". 0'0*#/."&*'+))"* &" 0!$"/$("& %0*$ 2&-! )+!& #&4&"-/40
) &*/"-/"),+-("* +*.0)+,/&)0) /*$&"-"* .& % !&" *!#"-"*4 '0-1"!"-"*/"&$0*$!&"-"*4-/"!"-&*/"-/"),+-("*0./&/0/&+* 2&!"-.,&"$"(/ 0*! !&" 0!$"/$"-!" !"-"* /"&$0*$ & &./ ".%( &./ &) &*/"-/"),+-("* +*.0)+,/&)0) !&" *"$/&1" -"*4-/" !"- &*/"-/"),+-("* 0./&/0/&+* $("& % &
0"-./ "/- %/"* 2&- !"* (( &* !") !"- 0.%(/ "&*" *"$/&1" "&/,-5#"-"*4 0#2"&./ 0*! ."&* "$"*2-/.'+*.0) '("&*"- &./ (. ."&* "$"*2-/."&*'+))"* 2&" &* &(!0*$ &((0./-&"-/
. &*/"-/"),+-(" +*.0)+,/&)0) (&"$/ &* "- +,/&)(" "
$"*2-/.'+*.0) "/-5$/ !"-+,/&)("0'0*#/.'+*.0) !"- "$"*2-/.'+*.0) '("&*"- &./ (. !. "$"*2-/."&*'+) )"* &(!"/ !"- 0.%(/ -.,-*&.." &* 6%" 1+* / !&" "- 0#$" 4&*./#7-."&*"*+*.0)&*!"-0'0*#/1"-2"*!"*'** "- "$"*2-/.'+*.0) "*/.,-& %/ !"- #"-"*4 0. !") "$"* 2-/."&*'+))"* 0*! !"- ,+.&/&1"* -.,-*&.
"- 0'0*#/.'+*.0) "*/.,-& %/ !"- 0))" 0. !") 0'0*#/."&* '+))"* 0*! !"- 0#$"4&*./"* ,+.&/&1"* -.,-*&.
"/- %/"*2&-*0*!"*42"&/"*((&*!")!"-0.%(/"&*",+.& /&1" "&/,-5#"-"*4 0#2"&./ 0*! ."&* "$"*2-/.'+*.0) $-68"- &./ (.."&*"$"*2-/."&*'+))"*2&"&*&(!0*$ $"4"&$/2&-!
' #(&("%$&! $#')"$%(")" !( # & $%("! #+&(' $#')" (&-( &$%("!) )#(' $#')" & #+&(' $#')" &.0& '( !' ' #+&('# $" "# #""( & )'!( ## &( ) & #('%&( # . *$# ( & #+&(' $#')" +& )& ' #+&('# $""# )##&(##,&( #&) )#('(&$#')"'%&*(#)'!(' !#&!''# ) )#('# $""# & )'!( *$# '" # $""# #( #)& '## %&$#!# $#')" ##,&( '$# ) ' ##&("(#')'!,)&/ ,!#")''
(&(# +& $"%&(*'(('# #'(# & ) (&# (( & #''(, +& %&# ((& (*& ) #" *$# &(# $ )#((& (*& +! #'!'()# ,)#""( "%! ($## & #''(,&.)# +&# # ! )# !!)'(&&(
)'#$####(# &0##+&#&/)#'#''(-' # ","! "/!# #+&(' $#')" &)-&# )# # " ,"! "/!# ) )#(' $#')" &/# )(& &( ' # & ' '' & #)& '-''#'#(( +(& !# ' )# & #)& &#(#'#(( +(& $# !( !' -)*$& &
&%)# ('(&)# ()& )(&#&$$&#(# ' #+&(' )# ) )#('# $""#' &%&.'#(&( #'&/)# *&.#&( #)& # ! & $#')""/! (# & #( )' " %&$#!# # $""# ##-&( +& " $&"!!! +& + # !)# ' #) #(&("%$&! $# ')"$%(")"# #'(.& &&!&)#*$# #+&(' $#')" # ) )#( )+'# !' ' !( #(&("%$&! $#')"$% (")"# # (&#''(-+#!)#+&%&#+#&((& (* %%$&()#(.(' $'(# ' $#')"' !!# )#" *$#&(#+&((& (*&+!#'!'()##""(
&$ ! % #- (# &%! $ $$%*$ ) , (#%$! $& #, & ) , && %$! $& '## # &%# #% $ $! # $ $$ # &# $*$$ $ %% ( %# #%$ & # &# # % $ %% (%# & % % $ *&'!## $$%*+ #& $%# #"& %& %& # &%# # !!# % $ (#%$ & & & %$ ! $ #"#+$ %#% !# (# ( & $ & %#%"!# ! $&!"%& , # (#%$! $& &($ $ $ % %#%"!# ! $&!"%&
6. Nachfrageelastizitäten 6.1 Einführung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
..*(/(,0 /,556 ',( .$56,;,6=6 '$5 !(4+=.60,5 '(4 4(.$6,8(0 <0'( 470* (,0(4 $%+=0*,*(0 !$4,$%.(0 ;74 4(.$6,8(0 <0'(470* (,0(4 70$% +=0*,*(0 !$4,$%.(0 ,( .$56,;,6=6 /,556 ;7/ (,52,(. ',( 241;(067$.( 4(.$6,8( <0'( 470* '(4 $&+)4$*( 0$&+ (,0(/ 76 $%+=0*,*( !$4,$%.( ,/ !(4 +=.60,5 ;74 241;(067$.(0 4(.$6,8(0 <0'(470* '(5 4(,5(5 )?4 ',(5(5 76 70$%+=0*,*( !$4,$%.( ,( 70$%+=0*,*( !$4,$%.( -$00 $7&+ $.5 "(001/210(06( ',( $%+=0*,*( $.5 $001/210(06( ,06(4 24(6,(46 9(4'(0 '(4 4(,5 7/ %(,52,(.59(,5( ;(+0 41;(06 56(,*67/9,(8,(.41;(069,4'',($&+)4$*(0$&+',(5(/76 ;74?&-*(+(0 ,( "(001/210(06( %(5&+4(,%6 ',( />*.,&+( 4 5$&+( ',( $001/210(06( ',( />*.,&+( ",4-70* ",4 %(610(0
- ..,#/. :'5!"9 1#& /- #(' -..#-.#-"( /-''( "(! 21#-"( 21# ,57( (#". )"( 1#.,- / #(( %/-&( /-''("(! !-"&)--( 1,( %(( $(, '5!",1#- / #((,#,%/(!-%..2/,6%2/ 6",(#-." ,!&-.#2# .4.( 1,( , )(0(.#)( (.-*,"( /," ( %&#(( !,# "#-"( /"-.( /-!,6%. ' )&!(( 1,( # # ,%. ,#-&-.#2#.4. , " ,! # #(#,%. ,/2*,#-&- .#2#.4.," ,!-)1###(%)''(-&-.#2#.4.," ,! ,&4/.,. # /- 6",/(!( 2/, #,%.( ,#-&-.#2#.4. - (! ).- )&!( #' *#.& 2/, (.,("'/(!-."),#
6.2 Preiselastizität #( &-.#2#.4. &4--. -#" / 21#,&# ,. /-,6%( 2/' #(( !,*"#-" (-"/" , '."'.#-" /(*,42#- &- )!(&- .#2#.4. 2/' (,( !,*"#-" 1(#!, (-"/" , '."' .#-" *,42#- &- /(%.&-.#2#.4. #, 1,( # ,.( 0),-.&&( /( !#((( '#. , )!(&-.#2#.4.
6.2.1 Bogenelastizität
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6.2.2 Punktelastizität
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6.2.3 Determinanten der Preiselastizität
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6.5 Messprobleme
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7.2 Hicks-Analyse ($ $/01$ /( ,1$ #$/ $/*$&2,& $(,$0 $0 +1$%%$)10 (, $(,$, 2! 01(121(-,0 2,# $(,$, (,)-++$,0$%%$)1 ! 0($/1 2% 8!$/*$&2,&$, #$0 !/(1(0"'$, -!$*./$(01/9&$/0 (/ -', ("' /# (")0 (/ 2,1$/02"'$, #$, 2!01(121(-,0$%%$)1 2,1$/ #$/ '5.-1'$1(0"'$, ,, '+$ # 00 4(/ 4$(1$/'(, 2,0$/ 2/0./;,&*("'$0 216$,,(3$ 2 $//$("'$, ):,,1$, !!(*#2,& 6$(&1 #($ &/ .'(0"'$ :02,&
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8. Arbeitsangebot 8.1 Einführung 2"*' - & 4,*&*$, * )*#., -+"%, %+ " *!* - ,*#,, -' * ',*'"&* %+ '#,* +#' #"* (%%' - & *#,+&*$, .*,-+", * -+"%, #+, *#,+'#,* 9 !'-* '#,* +#'* *#,+$* , 9 * ',*'"&* *#,+'" *!* 9 )*21#+* " *!* .(' *#,+$* ,
8.2 Konsum-Freizeit-Kurve
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0"&$0 !". ")),%+/06 !."%0 /& % !&" 1!$"0$".!" 1* *4 + % ." %0/ &" *4&*)" ."&6"&0 %0 /& % +& %0 2".7+!".0 ! !&" $" 1#$.1+! 2,+ ,%+/06".%8%1+$"+ +& %0 )7+$". 3".!"+ !&" *4& *)"+ ,+/1**8$)& %("&0"+ /&+! '"!, % $"/0&"$"+ 3"&) !". -.& 20" 1/%)0 9". "&+ %8%"."/ ")"&+(,**"+ 2".#9$0 !1. % ".."& %"+ 3&. "&+" +!#"."+6(1.2" *&0 %8%"."* 106"++&2"1 / +"1" -0&*1* &+ )&"$0 05-&/ %".3"&/" 3"&0". ,"+ 1+! 3"&0". )&+(/ )/ !/ )0" -0&*1* &+ &" $"+1" $" !"/ +"1"+ -0& *1*/ %7+$0 2,+ 63"& 1+/ "."&0/ "(++0"+ ##"(0"+ !"* 1 /0&010&,+/"##"(0 1+! !"* &+(,**"+/"##"(0 ". 1/0&010&,+/"##"(0 $&0 + &+3&"3"&0 !". -.&20" 1/%)0 &/ %".&$" ."&6"&0 !1. % 61/706)& %" ."&0/6"&0 /1/0&01&".0 ! !&" - -,.01+&070/(,/0"+ #9. ."&6"&0 !1. % !"+ %8%"."+ ,%+/06 $"/0&"$"+ /&+! ."&0 3&.! 00.(0&2". ."&6"&0 <0"1.".; 3&. %5-,0%"0&/ % ++"%*"+ 1+/". &/%".&$"/ 106"++&2"1 %)0"+ 61 (8++"+ 2". $)"& %"+ 3&. #9. !"+ 1/0&010&,+/"##"(0 63"& 1+(0" !&" 1# !". ) 0"++!#"."+6(1.2")&"$"+"&)!".")),%+/06!".."&/#9."&+" &+%"&0 ."&0/(.#0 /0"&$0 7+!".+ /& % !&" .")0&2"+ ."&/" #9. . "&01+!."&6"&0/,!//!&"+"1" 1!$"0$".!" "&+"+!"."0"& $1+$1#3"&/0)/!&")0" &.2"./ %&""+!&"+"1" 1!$"0$".!" -.))") + % 1+0"+ &/ /&" !&" )0" +!#"."+6(1.2" &+ 0+$&".0 ". 1/0&010&,+/"##"(0 6"&$0 /& % $.-%&/ % &+ "&+". "3"$1+$ 2,+ "+0)+$!".)0"++!#"."+6(1.2"1 + %
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8.3 Lohn-Freizeit-Kurve und Arbeitsangebotskurve '$ , ' $()"" ( %$(*#( $ ""%$()/ -&" / ) * ' ' $) *$ #(($ * ' (/ (( , )' $ ' / ) ' ")$, ' $ "*$ %$ ' / )*'+
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' / ) () ( *"'13 /*' ' )(/ ) )) $ (' $ '13$ () () * $' )'# $ ') & "$ , ' %$ ' / )*'+$'') !"$," #*$!)'#- #"
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#%/#*#'*$*(3$('(+"'"(*#''"&'++#* ('+-&*#1#,',+"#-'! * -+,#,-,#('+ $, ' #' $(&&'+ $, ('#*, ", # *#,+'!(,+$-*. #'' )( +#,#.' *%- + *#,+'!(, + "2'!, )(+#,#. .(& % %("'+,1
9. Zusammenfassung
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1. Einleitung ')*$)(%"" $'( $ 4
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ARBEITEN – LOHN BEKOMMEN – EINKAUFEN
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2.2 Klassische Produktionsfunktion 2.2.1 Einführung
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2.2.4 Substitutionselastizität
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2.3.2 Produktionselastizität
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2.4.2 Produktionselastizität
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2.5 Produktionsmöglichkeiten
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*!&! -&$ !!" !&"!! ! ' $ $"' &"!% ,&!'$( )$ ' $!%"$ &"!%'$( !! !! % *& ) %#%)% !&! % '&% !% ! !&!%'&%*)0&$!%"$ $&/)$!,!!!
$!%"$ &"!%'$( $"'&"!% ,&!'$( %& $ " &$% $& $ *!&! " !&"!! ("! -&$ ! ! & !$ !! ! $%&& )$! ,!!!
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3.1.1 Fixe Kosten
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3.1.2 Variable Kosten *#% (+,' . +#' (+,' # )(+#,#. .(' * *(-$,#('+ &'! "3'!'
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3.1.3 Grenzkosten
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3.1.4 Gesamtkosten
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3.1.5 Erlöse und Gewinne
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3.2.3 Faktoranpassungskurve
!* %* %( 1*# #!0.#!*!*4,*/%+*/," !. .+ 1'0%+* '8**!*3%.%* *(+#%!51)4,*/%+*/," !/+*/1)/%( !*
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3.3 Gewinnmaximierung !.!3%**!.#%0/%$(/ 1/ !*.(8/!*)%*1/ !* +/0!*
:
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4. Angebotselastizitäten 4.1 Bogen- und Punktelastizität %'%& &','.'& "#'&!&&'&%. '"&% % ')" -"%(" % "#'&!" ,(% % ')" -"%(" & %&&
" (" &' %& &','.' & "#'& & #" &','.' %&' ' ! %& &','.' & "#'& & ("' &','.' %,(&' "%&',"*%" (" (%"11 &+!# &% '" " " %"," (% (% " 10 &+!# &%'" ("" "" %"'
4.2 Streckenabschnittsregeln ! ( "" &" " ,( %""" # %& &','.' # #% "% &' !$ ' & * % " (" % % &','.'" % %*& ( " '%"&"''&% "
!& ! '! $ $% ("! '+!$&%$$%
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!"&% ! +!$& % ' % )% $ &$ $
'$&$ !&%#$& $ '%!%#$% !&%#$& $
&$ '%!% ! $&$ $'$
&$ " &&-$$%%&*&+&% !"&%
+%%&%-$*!%"%%)$($!!,!!!*'
$#$+%!&$& ! !*! ! $!&!$ "$ ("! %" %% $%%&*&+& % !"&% -$ ! !$ ! "&%'$( $#% % $+&!% *)%! $ !*! '! $ "$!$!&!$%!)$!!!
! +)# $! + ) +)# ,& ! +)# ) +)# *' ** !$+
)$1&)& .!) $! ! &'+*#,)- !* *! ! */!** !&)&&+!-%)! !&* &!+!$+%14+) $&*+/
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,* ,&*)& )( !* ,&+)%,)+& 0)$,&& #2&&& .!) 3) ! ".!$!& $*+!/!+1+& $!&)) &'+*#,)-& ! !& !$ ,& )*+$$+ *!& '$& $,**'$),&& /! &
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%& $ '$(!$ "$ $ % *%% $,.$ % $ '$(!$ $&% ("! $ $!& %" %% $%%&*&+& % !"&% $,.$ % !% %&
!!& ! !$ !"&%'$( %& $ '$ (!$ "$ $ %*%% !'%" $". ) $ '$(! $ $&% ("! $ $!& %" %% $%%&*&+& % !"&% !% %&
& $ !! !$ !$! !"&%'$( ' %& $ '$(!$ "$ $ %*%% !$ % $ '$(!$ $&% ("! $ $!& %" %% $%%&*&+& % !"&% !$ % !% %&
%& !$ !"&%'$( ! %& $ '$ (!$ "$ $ %*%% '!! $". %" %% $%%&*&+& % !"&% ! '!! %&$&
%& !$ !"&%'$( ! %&$'$(! $ $&% ("! $ $!& '!! $". %" %% $%%&*&+& % !"&% !' %&
$%%&*&+& % !"&% ! '!&! !&!$$ ! "&%'$(! *' %& ! $! )$ ' !&%#$!! !!&!!%!'!&!*'$-
% ( & % # % $% #$$%)%*% ! $ % $ $)$$ $% #$$% )%*% # % $ #$"#& $% #$$%)%*% & $ # (#% % $%#% #$$%)%*% $ !%$ & # $ #% % $% $ &
4.3 Isoelastische Angebotskurven
& & $ $!$%$ !%$ ' #$%% $ +% !%$' & % #$$%)%*% $ !%$ &($ ! $%#% #$ $%)%*% $ !%$ & & & $%$ && & %#*%$ $
5. Zusammenfassung $*($#+$)*%( ))* ) # * $ "!3"$ ,%$ $*($#($ (%+!* %$)+$!* %$$ "$ "" / $*$ %# $* %$$ ,%$ !*%( $)*/#$$ +$ (%+!* %$)#$$ (% +!* %$)")* / *1* # ))* &(* ""( !*%(,( * %$ (" * , 0$(+$ ( (%+!* %$)#$ # (1"*$ ) /+( ("* ,$ 0$(+$ ( $)*/#$ !*%() !"$")* / *1* # ))* *%*"( !*%(,( * %$ +$ !%$)*$*( !*%( $*$) *1* ("* , 0$(+$ ( (%+!* %$)#$ /+( ("* ,$ 0$(+$ ( $)*/#$$
!*%($ !%$)*$*$ !"$(*(1$ )* * (%+!* %$)#$ &(%&%(* %$" )* $$ !"$(*(1$ 3(&(%&%(* %$" +$ ) $!$$ !"$(*(1$ +$*(&(%&%(* %$" $ %#%$ (%+!* %$) +$!* %$$ $ +$1$ ,%$ $ !*%( $)*/#$$ $ !%$)*$* !"$")* / *1* )%'+$* / * "" %# $* %$$ ,%$ !*%( $)*/#$$ # * " # (%+!* %$)$ ,+ ( * +$ )* ($/(* ( *$ )$ + )* *+* %$ +)* *+* %$)")* / *1* # ))* !%$)*$*# (%+!* %$)$ ,+ ) (1"*$ ) ( ("* ,$ 0$(+$ (
!*%( $*$) *1*/+(("* ,$0$(+$(($/(*(*$ )$ +)* *+* %$ +)* *+* %$" (%+!* %$)+$!* %$$ $ (+$)1*/" ,%$ ( +)*+)(! * ( (%+!* %$)! *%($ +) " # ** %$" (%+!* %$)+$!* %$$ ) $ +( $ )(1$!* +)*+)(! * ( (%+!* %$)!*%($ !$$ / $* !")) ) (%+!* %$)+$!* %$ - )* $$) /+ $#$ )&1*( ) $!$ ($/(*(1 + )+)* *+* %$"
%%+")(%+!* %$)+$!* %$ * ,%$ $$ $ $ #$ ($/(*(1 ( " # ** %$"$ %$* (%+!* %$)+$!* %$ * ) $+( $ / $* %# $* %$ ,%$ ! *%( $)*/#$ +$ (%+!* %$)#$ ($)%(#* %$) !+(, (&(1)$* (* "" (%+!* %$)#2" ! *$ $( $*( $#+$(* +$ )* ($/(*(($)%(#* %$ . %)*$ ) $ (+$)1*/" +$1$ ,( " %)*$ 1$ ,%$ ( (%+!* %$)#$ ($/!%)*$ ) $ %) *$ ( (%+!* %$ $( - *($ $ * /+)1*/" $ ""$ $( )* &(%+/ (* $ $*($#+$ %(" ) *( )%&* #+#) !+(/( )* %(" ) *( )# $ #+#) (%+/$*$($* )* ($/ /- )$ ( #( $"$
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
6. Wiederholungsfragen
(.+" .'-+,"#' ,#" ,.,-#-.-#('% +(.$-# (', .'$-#('' /(' %#--#('%' 4,.'!
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7. Übungsaufgaben
.%'!%("$% '%&&'&"!%%&+&-& %%& /$ ! !% $"'&"!%!(' % $-&!% $ $&(! ,! $'! % &"$!%&+($-&!%%% +'$ $&(! ,!$'! $ $!+$& $ '%&&'&"! " & +& '%&&'&"!% %&+&-& ) & ! !&$! $ !& %!$ $" '&"!%&"$! ! $ $"'&"! !% '&% ($$! !! )!! $ %&%&& %% % % '%&'%($-&!% %$
&"$! -!$& & ! " '%&&'&"!%%&+&-& # +$& %% $ !&$! $ %+/ * $$! !!
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Markttheorie
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1. Einleitung ')*$)(%"" $' ( $ 4
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4 ""# $ " , )()%' 3' $ ' $ *(, ')()/*'"1*)'$ 4 $ "!3" $( %$%&%" ()$ (%, %"')(+' "*() $( %$%&%"( /* $".( '$ 4 *)*$'#%$%&%" () ($ %$!*''$/"('!) %'# &%".&%" () (' *$ #%$%&%" () (' "#$) /* '(($ 4 %" %&%" () ($ )') $ ' ( #*")$$ $$ *$ ' (()()/*$ ' $$ *$ ' (3''() (%, ( ')""(/*+'()$
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2. Marktformen 2.1 Übersicht )#+')%& .)& "& ) $ "& !1& " #"+ -'& ) &0!$ ) &"+) 0"!,& *."* !) ) #$**""0")+ ') &! ,&+)*!"& ' " !&$+& 3+) !'%' & $"!)+" ') !+)' &)%)+" *"&") )"&,")*+)"&+0,)3# ,& )!$+& &,& )#+')%& " && " )#++"$&!%) & + ')"& 6-"$5 - $ )"!"*! 6('$/5 6.&" 5 - $ )" !"*! 6'$" '"5 *'." 6"&) $$"&5 - $ )"!"*! 6%' &'*5 0, ')&+ .)& " )&0,& 0."*!& 6"&%5 )#+#+,) ,& 6.&" &5 )#++"$&!%)& "*+ '&*"!+$"! " 0."*!& 6.&" &5 ,& 6-"$&5 &"!+ '!& ."+)* ) & +)*!" 0."*!& 6.&" &5 ,& 6-"$&5 "*+ &"!+ &,%)"*! ,*0,%!& ' #&& 0,% "*("$ " &0!$ -'& 0!& &"+)& ,"&%)#+6-"$5,"&%&)&)#+6.&" 5, +& &+*!"& "*+ &"!+ " !$ & *"! *'&)& ) "&$,** & "& "&0$&) )#++"$&!%) ,*3& #&& + #"&) )
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DIE RÜCKSEITE DES KÜHLSCHRANKS 2.2 Marktformen mit vielen Nachfragern ' $$$ #) $ ' '!)%'#$ *' +" '' !$$.$) ($ )$ +" $)' +"$ ''$ $1' ") $ % "-&%" 6 * +%""()/$ %$!*''$. $$$) 6 +%' $ (&" $( &%"-&%"()($ '!)( () ' '!) 1' ,0$" $ )1' ' %$(*#$) $)1' $0)) *$ ( $ ."' $'%2$*$!"$$ (/)$!*$!$$%$(((
(/)(1'' #)$$' (&'$ !0$$$
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$ +" '' +%$ $*' $# $)' /$ ") $ $%)(#%$%&%" +%' ( ,' !*'. "( %$%&%" .$$ "( (&" !$$ ( ())" %$%&%" &%"."' ,") $( $ ,'$ ( +" 1'' *# '' $$ ') ,""$ $'$
2.3 Marktformen mit wenigen Nachfragern ! ' *$,(*&' &", ."%' !* *' ,*!,' /"* "& (% ''"*"*$,(*&'&",/'" '!* *'
,!' /'" ' !* *' ."% '",* '3* +"' " "' -' ' "'+ !* (%" ()(%+ *3%%, & */!+%-' ' &", "'& ' (,+ %" ()(% 0- .*&"' * "' #'& %% + *+, -+,',". + (&)(+",-&+ '"!, ',%%' +( ++ "' !* (%" ()(% "&&* %+ +(%!+ 0- 0"!'' "+, " -*0 (*& %" ()(% 0"!, +"! "&&* - "' ' (,+(%" ()(% "' !* (%" ()(% %" , "+)"%+/"+ .(* /'' ."% "+!* .*+-!' "!*' "+! ' /'" "+! *(4!1'%* "' "!*& "' 0- +*"! 0- .*$-' "' ('*(*& + !* (%" ()(%+ +,%%, + !* -()(% * " & '-* 0/" !* * & *$, -,*,' "*' - "' *$,+",' /'" "%'!&* %" , "' "%, *%+ %" ()(% .(* *+-!' 0-& "+)"% %1' * -+ ' / '" ' .*%"'' %' ',"('' /" +%' (*/ ' 3 (*(*)'*%, *24,+1- ,"* /"''*"' ''" /'" ' ,*(,0 &(*%"+!' *-$+ ,1," ' 1'%* 0- .*$-' %" , "' "%,*%+ %" ()(% .(* ' "'& "%,*%' -()(% +, !'+"! '-0/"'",*-'0/"!* * '3* "' /'" !* * - "'' "'0" ' '",* ' /"+' %" , "' (%" ()(%"+,"+! +!*1'$,+ ' (,+ ('()(% .(* */'' /"* " -*0(*& "+* *$,(*& ',%%' " %& &*-+*3$ -' /"* +)*!' .(' "'& +!*1'$,' ('()(%
"++ "+, "' ' (,+&('()(% /"% '-* "' '",* -,*",, & $'',%"!0-&!'++'"!,'-*"' (,++('*'-!" !* +", +!*1'$, "+, '''' /"* + "' +!*1'$,+ ' (,+&('()(% + (%" ()(%"+,"+! +!*1'$, "+, /"% '-* / '" !* * " !* +", *)*1+',"*' ", + " +)"%+/"+ 3* "' +)0"%%+ &"0"'"+!+ *1, '-* "'' "'0" ' *+,%%* -' /'" )0"%$%"'"$' %+ !* * %" , "+ *$,(*& .(*
2.4 Marktformen mit einem Nachfrager $(%!9(%$ 2!.(!%!* .!% /!(0!*! .'0"+.)!* %* !*!* &!3!%(/ *1.!%*$".#!.1" !).'0'0%2%/0
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4.5 Natürliches Monopol
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5. Monopolistische Konkurrenz 5.1 Einführung #%$%&%"()( %$!*''$. () $ '!)%'# $ *$('# '!)%'#$(# $) '1!()) ,' $$% $ ,) +'')) '!)%'# '()"") ,() ., $)($ '!#" * '$ * $ '()$ "! ,'(&'1" !"$ $$ #$ ')')$ '()$( () #%$%&%"()( %$!*''$. *' $ )%#()( $%)(*$'()'*!)*''!)'('),,'(+%$' +%""()/$$ %$!*''$. !$$$ ( ) +" $)' *$ +" ''
,)$(($1)'$%)$.*$(,($') ,'$ $) , # %"-&%" %#%$ (%$'$ )'%$ ($ $) " (%$'$ /$" *$ ''$ $ )"((% (( ' )),' *$+%""()/$ () )'%$)/) ' 1)' '*.') '$(&'$. ( '(,)),'( /$" 1)' (,'' .* +'"$ ($ "( " 1)' (" !0$$$ $)'$#' $ $' ( '$ $ $ $( %$% &%"()$ '$$')
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5.2 Kurzfristiges Gleichgewicht
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#(')## ' (+&&' #,( #("& ,+ &(( ' ) '# +!' $%("! ($# ) ## #(')# ' #("&' #' *$& &%' +-!( & ## )# ( ) '#& ($#' )&* #!!' *&-!( & ' ')$% ("! #!$ !( &)"#(($# .& #("& #' & # -# ( *$# & ###(')# ' #("&' ,+ #!!' # ! (&( &%' ) '#& ($#' )&* !( ' !! '# $%("!# ($## &%&-'#(&( !( .& #("& '' ' +!' ## )# ( ) && ( $#' )&* %&-&&# '( ' !+( '")!(#& ##'( '(,)# &'( ## &&( +## #("& ,+ # )# #("& #' # +-!( ## $$&#(# '& # ## !# #) # " #((%)# ( & ($#' )&*# # !!# #&# -!!# '(!!( ' ,)"#'( #&
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
6.4 Simultane Preisfestsetzung ( '' -$(/'.) , , $-! -.- .3/)" -.$(( ) $ ). ,) #( , $#, , $- *#) -- -$ 1$-- ) 1$ $ *)&/,, )3 , "$ ,. $ )" ) $ -$ 3/ $#, ) % 1 $'- ! -." ' ". ) , $- ) - .3 ) &5) ) ) 1 , ) 0*( ,&. -.$((. 31, $) '$"*+*' 0*,'$ ".
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
6.5 Mengenführerschaft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
*&"/"/ !"./+ 2"*&$"- &"/"/ !"- "*$"*#+($"- * &" "'/&+*. #0*'/&+* !". "*$"*#+($"-. (0/"/
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-## #"$ -# %"& % # %! $ ' $ !#$ % # ,$%, $!( ' $ -##$
6.6 Preisführerschaft $ ##(( )2(()** %((# &' )*% %+ *% ("*)*##+% %% ) $ (#+* %% ( ) )*0+)* 0% % % ) ( %( +&' )* %0+'))% * %% $ %&*&$&%( 2*("%%)%+( %%("*'( )%- # %(%##) %+( ( 2%)* ( % *( + $ ("* 0+$ + "&$$* %*(%$( %) ) ( ( )2(( %*(%$( 0- ( ( ) ( ( ( )2(( %) %#/) (* 0+%1)* ) ,&(+)) *# (#*%) %)&%"+((%*%+$(+++% 2( %&' * $# ( )%%&$ %* &% 0+ ($ **#% 2( %*(%$( 0- )*(( ) % *+$(-1#*- %(,#)*1% %&% "+((%0 ) % - %%$. $# %&*)$% )& )) ( ( ) ) %% (%0"&)*% %*)'( * &$ * )* $$* ( 2( !% %" (% ( ) ) % '#%* %&*)$% )% +)$$%% )' #* % #+% %&*)"+(, ) ) %*(%$() 0- - (
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6.7 Kartell
, #& #(, +-&&, !- +#( '#--&, ,*+" ( +( "(!0#(( 2. '1#'#+(
.+ #( +-))*-#'&+ .(%- %(( 0# #( #&.(! #( &#"!0#"- /+%4+*+( ,- # #(!.(! + +-)*-#'-3(#"- + 5&&- %(( # ,*+" #''+ "#(!"( !3(+- 0+ ( ,, # #-.-#)( #(, (-+("'+, /+,,+- 0#+ )"( #$(#! , (+( 2. /+,"&"-+( +-))*-#'& %4((( + (.+ (!(-#&*.(%- + ,)!0#((%.+/( #+ (-+("'+ ,#( +#(( 0#+ ,3'-" (!(-#&*.(%- +"&-( 0#+ #( .+/ # 0#+ +-&&%.+/ (((( # +-&&%.+/ #&- # + 20#,"( ( .(%-( .( # ( $0#!( '1#'&(
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
7. Zusammenfassung
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Literatur zur Vertiefung
Weiterführende Literatur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Register
A
Budgetgerade 34 ff., 45 ff., 51 ff., 61 ff., 89 ff., 106 ff., 174, 201, 205 f. Budgetgleichung 34 ff., 48, 61 f. Budgetrestriktion 34, 37, 41, 43 ff., 62, 102, 106 f., 214
absatzpolitisches Instrumentarium 227 absolut inferiores Gut 84 f., 95 ff., 104 adaptive Präferenzen 21 f. Amoroso-Robinson-Relation 216 ff., 220 f., 231, 237, 244 Anfangsausstattungen 197 ff., 209 ff.
C
Angebotskurve 111 f., 163 ff., 178 ff., 195, 248
CES-Produktionsfunktion 147
Angebotsüberschuss 195, 200 f., 205
Cobb-Douglas-Präferenzen 33
Arbeitsanbieter 106
Cobb-Douglas-Produktionsfunktion 145 ff.
Arbeitsangebotskurve 6, 111 f.
Cournot-Gleichgewicht 242 ff., 251 ff. Cournotscher Punkt219
Arbeitsleid 106
Ceteris-paribus-Klausel 11, 83
Arbeitsnachfrager 106 asymmetrische Informationsverteilung 227
B
D demeritorisches Gut 22 f. Differential 70, 135
Bandwagon Effect 104 f.
Differentialquotient 70, 86 f.
Bedarf 12
Differenzenquotient 68, 86 ff.
Bedürfnis 12
direkte Preisvariation 52
Bertrand-Wettbewerb 245
Duopol 191 f., 236, 244 ff.
beschaffungspolitisches Instrumentarium 227
durchschnittliche variable Kosten 156, 160
Betriebsminimum 163 f., 167
Durchschnittsprodukt 127
Betriebsoptimum 163, 234
Durchschnittsproduktivität 127 ff., 140 ff., 150
bilaterales Monopol 190, 193 bilaterales Oligopol 190, 192 Bogenelastizität 68 ff., 177 Bracketing 10
E
Faktorintensität 123, 127, 130, 137, 144 f., 149 Faktorpreisverhältnis 171 ff. Faktorverbrauchsfunktion 123 freies Gut 13
Edgeworth Box 198 ff. Effektivität 9 f. Effizienz 9 f., 203 Einheitselastizität 70, 73 ff., 81 f., 231 Einkommen-Konsum-Kurve 50 ff., 174 Einkommenseffekt 40, 89 ff., 109 ff.
G
Einkommenselastizität 68, 84 f., 95 f.
Gebrauchswert 13
Einkommensexpansionspfad 51
Gegenwartskonsum 62 ff.
Elastizität 67 ff., 70 ff., 86, 140
Gesamtkosten 158 f., 161 ff.
endogene Änderungen 37, 86
Gesetz der Nachfrage 103
Engel-Kurve 50 ff. Engpassfaktor 123, 150 f.
Gesetz der Unterschiedslosigkeit der Preise 196
Equimarginalprinzip 41
Gewinn 162, 174 ff., 236 ff.
Erlöse 76 ff., 79 f., 162 ff., 168, 175, 217, 220, 224, 229 ff.
Gewinnmaximierung 138, 154, 174 ff., 245
Erstes Gossensches Gesetz 17
Gewinnmaximum 175 f., 216 ff., 219 ff., 231, 238, 240, 242, 249, 251
Ertragsgebirge 124 ff., 130 ff., 140, 143 f.
Giffen-Gut 95 ff., 101 f.
Ertragsgesetz 138, 145
Grenzerlös 175 f., 216 ff., 229 ff., 249
Expansionspfad 51, 174
Grenzerträge des Geldes 141, 173
F Faktoranpassungskurve 174 Faktoreinsatzfunktion 123 Faktoreinsatzverhältnis 123, 127, 130, 137, 149 Faktorergiebigkeit 140 Faktorgrenzkosten 173
Grenzkosten 157 ff., 168, 175 f., 216 ff., 230 ff., 245, 248 f. Grenznutzen 15 ff., 25, 28, 41 ff., 47 ff., 173, 207 ff. Grenznutzen des Geldes 42 ff., 173 Grenznutzenausgleichsgesetz 41 Grenzprodukt 128, 141 Grenzproduktivität 127 ff., 135, 141 ff., 173 Grenzrate der Substitution 25 ff., 37, 47 f., 89, 102, 134, 137, 145, 186, 204, 206 f. Grenzrate der technischen Substitution 134 ff., 144, 172 f. Grenzrate der Transformation 153
H
K
Harberger Dreieck 223
kardinale Nutzenmessung 13 f., 211
Hicks-Analyse 90, 101, 108
Kartell 236, 250 ff.
homo oeconomicus 7 f., 16, 106
klassische Produktionsfunktion 138 ff., 144 f.
homothetische Produktionsfunktion 135 f., 147, 151
Knappheit 12 f., 33, 41
hypothetische Budgetgerade 92, 101
komparativ-statische Analyse 37 f., 41
kollektive Entscheidungen 19, 21
konkave Präferenzen 27
I Indifferenzkurve 23 ff., 33 f., 45 ff., 51, 53, 61, 63, 89, 91 ff., 107 ff., 134, 202 ff., 209 ff. inhomogene Produktionsfunktion 132
konstante Skalenerträge 131 Konsumentenrente 41, 59 f., 114, 116, 119, 165, 223, 225 f., 245 Konsum-Freizeit-Entscheidung 106 f., 112 Konsum-Freizeit-Kurve 106, 110 f. Konsum-Freizeit-Plan 107 f., 111 Kontraktkurve 210 ff.
Input-Output-Koeffizient 128
Kosten 8, 16, 37, 154 ff., 220, 224 f., 230 ff.
intertemporale Budgetrestriktion 62, 214
Kostendeckung 225
intertemporale Nutzenfunktion 62 intertemporales Konsumoptimum 41, 60 ff.
Kostenkurven 119, 154, 157 ff., 167 ff., 217 ff.
inverse Nachfragefunktion 56
Kostenminimierung 119, 154, 169
inverse Produktionsfunktion 123
Kreuznachfragekurve 56 ff.
isoelastische Angebotskurve 181
Kreuzpreiselastizität 68, 83 f.
isoelastische Nachfragekurve 75 Isogewinnkurve 236 ff., 240 f., 246 ff. Isokline 135 f. Isokostengerade 169 ff. Isokostengleichung 170 Isoquante 127, 133 ff., 144 ff., 148 f., 152, 169, ff.
L Lagrange-Funktion 48, 172 Leontief-Produktionsfunktion 119, 121, 149 ff. limitationale Produktionsfunktion 123, 149
linear-homogene Produktionsfunktion 131, 133, 147
natürliches Monopol 224 f.
Lohn-Freizeit-Kurve 111
Netzwerkeffekt 105
Nebenwetten 22
Nicht-Sättigungsprinzip 12, 25, 27, 47, 110
M marginale Zahlungsbereitschaft 25, 55 Marginalprinzip 15 Marktform 189 ff., 216, 227 ff., 236 Marktgleichgewicht 194 f.
Niveauertragskurve 132 Non-Intentionalitäten 21 Nutzenmöglichkeitenkurve 211 ff.
O
Maximum-Prinzip 8 f.
ökonomisches Prinzip 8
Mengenanpasser 196 f., 216, 247
ökonomisch-rational 8
Mengenfolger 245 ff.
Opportunitätskosten 10, 25, 37 ff., 65, 109
Mengenführer 245 ff., 251
Optimum-Prinzip 9
Mengenführerschaft 245 ff.
ordinale Nutzenmessung 13
meritorisches Gut 22 f. Metapräferenzen 21 Minimalkostenkombination 171 ff. Minimum-Prinzip 8 f. Mitläufer-Effekt 104 f. Monopolisierungsgrad 221 f.
P
monopolistische Konkurrenz 193, 227 f.
Pareto-effizient 202 ff.
Monotonie 25
Pareto-optimal 204 f., 209 ff., 250 ff. partielle Faktorvariation 126 ff., 140, 143 ff.
N
perfekte Komplemente 30, 102 perfekte Substitute 28, 102, 148 Praeposteriori-Analyse 8 Präferenzen 5, 11, 18 ff., 27, 33 f., 195 f., 213 f., 228, 230
Nachfragefunktion 50, 54, 56, 78 f., 81 f.
Präferenzordnung 18 ff., 24 f., 41, 107
Nachfragekurve 54 ff., 59 f., 68 ff., 74 ff., 81 ff., 100 ff., 195
präferierte Ausstattungen 199 f.
Nachfrageüberschuss 195, 200 f., 205, 215
Preisdifferenzierung 216, 225 f.
Preis-Absatz-Funktion 216 f.
Preiselastizität 68 ff., 81, 87 f., 114, 116, 177 ff., 216, 218, 220 f., 230 ff., 249 Preisfolger 248 f. Preisführer 248 f., 253 Preisführerschaft 248
S
Preisgerade 59 f., 165 ff., 201, 204 ff.
Sättigungsgesetz 17
Preis-Konsum-Kurve 52 f., 57
Sättigungsmenge 33, 55, 74, 81 f., 219 f., 237, 240, 242, 244 f.
Preisnehmer 190, 196, 216, 222, 225, 227 Preissetzer 190, 222, 225, 227, 245, 249 Preisvariation 52 ff., 57 Preisverhältnis 37 ff., 40, 44, 47 f., 101, 201, 204 ff.
sequentielle Interaktionen 236, 245 simultane Interaktionen 242 ff. simultane Mengenfestsetzung 242 ff. simultane Preisfestsetzung 244 f., 253
Prestige-Effekt 105
sinkende Skalenerträge 131, 144, 147
Produktdifferenzierung 228, 234, 245
Skalenelastizität 126, 130 ff., 140, 143 ff., 151
Produktionselastizität 126 ff., 131, 140, 142 f., 146 f., 150 f.
Slutsky-Analyse 99 ff., 116
Produktionsfunktion 119 ff., 130 ff., 138 ff., 143 ff.
Snob-Effekt 105
Produktionskoeffizient 122, 128, 146, 150 f.
soziale Wohlfahrtsfunktion 213
Produzentenrente 119, 165 ff., 222 ff.
soziale Wohlfahrtskurve 212 f.
Prohibitivpreis 55, 81 f., 219, 231
statisches Konsumoptimum 41, 45 f.
Punktelastizität 68, 70 f., 177
steigende Skalenerträge 131 f., 144, 147
soziale Nutzenfunktion 213
strategisches Verhalten 236
R Rationalprinzip 7 f. Reaktionskurve 239 ff., 243, 246 f. Reflexivität 19, 24 relativ inferiores Gut 84 f. Reservationspreis 55 Residualnachfragekurve 249
Streckenabschnittsregeln 73, 177, 180 Subadditivität 224 substitutionale Produktionsfunktion 122, 133 f. Substitutionseffekt 89 ff., 93 ff., 101 ff., 109 ff. Substitutionselastizität 127, 133, 137 f., 140, 144 ff., 152 Substitutionsgut 83 f. superiores Gut 84 f., 95 f., 103 f.
T Tauschkurve 206 ff., 255
W Wohlfahrtsverlust 222 ff., 245
Tauschverhältnis 25, 92, 103, 201 Tauschwert 13 Technik 121 f., 124 totale Faktorvariation 136, 143 Transitivität 19, 21, 24 f.
U Überschussfaktoren 123, 150 f. unabhängige Güter 83 Utilitätsprinzip 11
V variable Kosten 156, 158 ff., 168 Veblen-Effekt 105 Vernunftprinzip 8 Vollständigkeit 18, 24, 214 von-Stackelberg-Gleichgewicht 246 f., 251
Z Zeitpräferenz 61 ff., 114 Zukunftskonsum 60 ff. Zweites Gossensches Gesetz 41, 45