產(chǎn)品市場和貨幣市場的一般均衡北京理工大學王曉亮

1、1會計學產(chǎn)品市場和貨幣市場的一般均衡北京理產(chǎn)品市場和貨幣市場的一般均衡北京理工大學王曉亮工大學王曉亮2345678i0r250500750 100012501234投資需求曲線（投資的邊際效率曲線）i = 1250 - 250 r單位：萬元910111213141516資本邊際效率投資量01020304050108642某企業(yè)可供選擇的投資項目171819iMEIMEC0rr0r1i0i1202122232425262728yISr01502002502342930irisyrsy0000儲蓄函數(shù)(1)投資儲蓄(2)45度線產(chǎn)品市場均衡(4)投資需求函數(shù)(3)s = y c ( y )i =

2、si = i ( r )31irisyrsy0000儲蓄函數(shù)(1)投資儲蓄(2)45度線產(chǎn)品市場均衡(4)投資需求函數(shù)(3)s = y c ( y )i = si = i ( r )2525150442525A15032irisyrsy0000儲蓄函數(shù)(1)投資儲蓄(2)45度線產(chǎn)品市場均衡(4)投資需求函數(shù)(3)s = y c ( y )i = si = i ( r )2507575250227575B33irisyrsy0000儲蓄函數(shù)(1)投資儲蓄(2)45度線產(chǎn)品市場均衡(4)投資需求函數(shù)(3)s = y c ( y )i = si = i ( r )15025025757525150

3、250442225257575AB34irisyrsy0000儲蓄函數(shù)(1)投資儲蓄(2)45度線產(chǎn)品市場均衡(4)投資需求函數(shù)(3)ISs = y c ( y )i = si = i ( r )15025025757525150250442225257575AB353637383940414243444546474849505152535455mm00rrL1 =L1 ( y )L2=L2 ( r ) L=L1+L2=L1(y)+L2(r)(a)(b)5657585960mr0reLm=M/PE6162貨幣需求超過貨幣供給，人們感到手中的貨幣量太少，會設法增加貨幣持有量，便賣出有價證券，導致

4、證券價格下降，利率水平上升。利率上升會減少貨幣的投機需求并抑制投資，使國民收入下降，進而也減少貨幣的交易需求與預防需求L1，直至貨幣需求降低至與貨幣供給相等時為止。63646566676869yrLM0500 100015002000250012347071yy0000m1m2m2m1rrm1= L1 ( y )m = m1 + m2m2 = L2 ( r )(1)(4)(3)(2)72yy0000m1m2m2m1rrm1= L1 ( y )m = m1 + m2m2 = L2 ( r )(1)(4)(3)(2)A73yy0000m1m2m2m1rrm1= L1 ( y )m = m1 + m

5、2m2 = L2 ( r )(1)(4)(3)(2)B74yy0000m1m2m2m1rrm1= L1 ( y )m = m1 + m2m2 = L2 ( r )(1)(4)(3)(2)AB75yy0000m1m2m2m1rrm1= L1 ( y )m = m1 + m2m2 = L2 ( r )(1)(4)(3)(2)ABLM曲線76yirsIS曲線45度 s=s(y)i=i(r)AB77ym2rm1m1= L1 ( y )m = m1 + m2m2 = L2 ( r )BALM曲線7879808182yrLMIS(1)(2)(4)(3)ABC0DFE83848586區(qū)域產(chǎn)品市場貨幣市場（1）（2）（3）（4）is供不應求is供不應求LM供大于求LM供不應求LM供不應求8788899091929394959