北大微观经济学课件(英文版)Ch21 Cost Curves.ppt
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北大微观经济学课件(英文版)Ch21 Cost Curves.ppt

北大微观经济学课件(英文版)Ch21CostCurves.ppt

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ChapterTwenty-OneTypesofCostCurvesTypesofCostCurvesTypesofCostCurvesFixed,Variable&TotalCostFunctionsFixed,Variable&TotalCostFunctionsyyyyAv.Fixed,Av.Variable&Av.TotalCostCurvesAv.Fixed,Av.Variable&Av.TotalCostCurves$/outputunitAv.Fixed,Av.Variable&Av.TotalCostCurves$/outputunit$/outputunitAv.Fixed,Av.Variable&Av.TotalCostCurves$/outputunit$/outputunit$/outputunit$/outputunitMarginalCostFunctionMarginalCostFunctionMarginalandVariableCostFunctionsMarginalandVariableCostFunctionsMarginal&AverageCostFunctionsMarginal&AverageCostFunctionsMarginal&AverageCostFunctionsMarginal&AverageCostFunctionsMarginal&AverageCostFunctions$/outputunit$/outputunit$/outputunit$/outputunit$/outputunitMarginal&AverageCostFunctionsMarginal&AverageCostFunctionsMarginal&AverageCostFunctions$/outputunitMarginal&AverageCostFunctions$/outputunitShort-Run&Long-RunTotalCostCurvesyyyyMP1isthemarginalphysicalproductivityofthevariableinput1,sooneextraunitofinput1givesMP1extraoutputunits.Therefore,theextraamountofinput1neededfor1extraoutputunitisMP1isthemarginalphysicalproductivityofthevariableinput1,sooneextraunitofinput1givesMP1extraoutputunits.Therefore,theextraamountofinput1neededfor1extraoutputunitisMP1isthemarginalphysicalproductivityofthevariableinput1,sooneextraunitofinput1givesMP1extraoutputunits.Therefore,theextraamountofinput1neededfor1extraoutputunitisMP1isthemarginalphysicalproductivityofthevariableinput1,sooneextraunitofinput1givesMP1extraoutputunits.Therefore,theextraamountofinput1neededfor1extraoutputunitisShort-Run&Long-RunTotalCostCurvesShort-Run&Long-RunTotalCostCurvesyShort-Run&Long-RunTotalCostCurvesyyyyyyyShort-Run&Long-RunTotalCostCurvesShort-Run&Long-RunTotalCostCurves$Short-Run&Long-RunAverageTotalCostCurvesShort-Run&Long-RunAverageTotalCostCurvesyShort-Run&Long-RunAverageTotalCostCurvesyShort-Run&Long-RunMarginalCostCurvesShort-Run&Long-RunMarginalCostCurvesShort-Run&Long-RunMarginalCostCurvesyyyyyShort-Run&Long-RunMarginalCostCurvesyShort-Run&Long-RunMarginal