(1)Homehas1200unitsoflaboravailable
Itcanproducetwogoods,applesandbananas
Theunitlaborrequirementinappleproductionis3,whileinbananaproductionitis2
Thereisnowalsoanothercountry,Foreign,withalaborforceof800
Foreign'sunitlaborrequirementinappleproductionis5,whileinbananaproductionitis1
GraphForeign'sproductionpossibilityfrontier
Constructtheworldrelativesupplycurve
(2)Nowsupposeworldrelativedemandtakesthefollowingform:Demandforapples/demandforbananas=priceofbananas/priceofapplesa
Graphtherelativedemandcurvealongwiththerelativesupplycurve
Whatistheequilibriumrelativepriceofapples
Describethepatternoftrade
ShowthatbothHomeandForeigngainfromtrade
解答:(1)a
外国的生产可能性边界是一条直线,在160(800/5)处与苹果轴相截,在800(800/1)处与香蕉轴相截b
世界相对供给曲线可以有苹果和香蕉的相对价格和相对供给量汇出苹果对香蕉的最低价格是3/2,在这个价格的基础上,苹果的世界相对供给曲线是