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given and does not attempt to explain. Macroeconomics Chapter 1 25 Economic Models Macroeconomics Chapter 1 26 Economic Models The Coffee Market ? 目標(biāo) 我們想去了解咖啡價(jià)格的決定因素。 ? 什么因素促使咖啡價(jià)格上升? 買的人多了 西方文化的流行 咖啡對(duì)身體健康作用的發(fā)現(xiàn) Macroeconomics Chapter 1 27 Economic Models The Coffee Market Macroeconomics Chapter 1 28 Economic Models The Coffee Market Macroeconomics Chapter 1 29 Economic Models The Coffee Market Macroeconomics Chapter 1 30 Economic Models The Coffee Market Macroeconomics Chapter 1 31 Economic Models The Coffee Market Macroeconomics Chapter 1 32 Economic Models ? Disequilibrium a discrepancy between the quantities of labor demanded and supplied. ? New Keynesian model, argues that some prices are sticky and move only slowly to equate the quantities of goods demanded and supplied. Macroeconomics Chapter 1 33 Economic Models ? Economic growth model ? Equilibrium businesscycle model basic marketclearing model of economic fluctuations