The Economics of Money and Banking Chapter 9 Money Demand and Money Supply >>Keynesian theory of Money Demand 2 (1)持有货币的三种动机 Theories of Money Demand 交易动机：为交易需要持有货币 预防动机：预防意料之外的支出 投机动机：为投机活动持有货币 (2)M=M1+M2=L1(Y)+L2(①) 7 GUO YING SEM TONGJI UNIVERSITYThe Economics of Money and Banking 7 GUO YING SEM TONGJI UNIVERSITY 2Theories of Money Demand Keynesian theory of Money Demand （2）M=M1+M2=L1 (Y)+L2 (i) （1）持有货币的三种动机 交易动机：为交易需要持有货币 预防动机：预防意料之外的支出 投机动机：为投机活动持有货币 Chapter 9 Money Demand and Money Supply