Key words : Jiangsu rural residents ; micro2sam multiplier ; income difference ; consumption potential, % 1017 %.,,,

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1 : (2006) SAM 1, 1, 2 (11, ;21, ) : 2002 (Social Accounting Matrix, SAM), SAM,,. :,, ;,,, ;,,, ;,,,. : ;SAM ; ; : F01415 ;F06312 ;F12611 : A Research on Income Distribution, Consumption Difference and Consumption Potential of Jiangsu Rural Residents in China A microsam2based multiplier analysis FAN Jin 1, YUAN Xiao2hui 1, XU Hao2ran 2 (11Research Center of Jiangsu Applied Economics,Jiangsu Administration Institute, Nanjing ,China ;21College of Economics and Management,Nanjing University of Aeronautics and Astronautics,Nanjing ,China) Abstract : This paper, based on the MicroSAM of consumption of Jiangsu rural residents in 2002, studies on open net effects of consumption of Jiangsu rural residents behaviors in China through different commodities and services consumption and different groups of incomes, by decomposing SAM2based multipliers. Also, this paper compares accounting multipliers and fixed price multipliers. We draw the main conclusions as follows : Firstly, residence, food and traffic and communications are consumption hotspots for Jiangsu rural residents at present, but people put less attention to recreation, education and cultural services, clothing and medicine and medical services ; Secondly, except for the higher of rural residents, all groups of earnings in Jiangsu have higher consumption desire and greater consumption potential to household facilities and services ; Thirdly, the middle2lower and the lower of rural residents have higher consumption desire to medicine and medical services and recreation, education and cultural services. Hence, the government should give some help on correlative welfare policy to advance the development of these two group s consumptions ; Finally, to keep on the development of Jiangsu traffic and communications, the government also needs to enhance basic establishments of rural traffic and communications to change consumption behaviors of rural residents. : : ( ) ; (03CJ Y003) ; ( ) ; ( ) ; 2002 (T014) : ( ),,,,,, : ; ( ),,, : ; ( ),,, :, E2mail : cei. gov. cn.

2 Key words : Jiangsu rural residents ; micro2sam multiplier ; income difference ; consumption potential, % 1017 %.,,, % 3713 %., %, 3996, 516 %,,,,, %, %,., (Social Accounting Matrix, SAM),,,. 1 SAM,,,.,,,., SAM Stone (1978) Pyatt Round (1979),Pyatt Round (1979) 1970 SAM,,,.,Defourny Thorbecke (1984) Pyatt Round 1968 SAM,. SAM,. Thorbecke Jung (1996),,,. Sinha Sangeeta (2000),SAM., Llop Manresa (2003),Cardenete Sancho (2003). CGE,SAM ( 1996 ;,,2003 ;,2004), SAM (,2006)., (2002), 2000,,, (, ),,.,, SAM, AIDS,. 2.,.,.,,,.,,,.

3 SAM ( Accounting Multiplier) SAM, SAM.,,,, 2, ( ) ( ) ( ), ( ) ( ). SAM, T, T = A n y, (1) : A n, y n SAM., : y n = A n y + x = ( I - A n ) - 1 x = M a x, (2) : M a SAM,,. x SAM. SAM,, ( )., SAM, SAM SAM,., SAM (Own Net Effects) (Open Net Effects) (Circular Net Effects)., A n, : A n = 0 0 A 13 A 21 A (3) 0 A 32 A 33 SAM,,,.,,,. ( ),,. : M a1 = I ( I - A 22 ) (4) 0 0 ( I - A 33 ) - 1,, : I A 13 ( I - A 33 ) - 1 A 32 A 13 M a2 = ( I - A 22 ) - 1 A 21 I ( I - A 22 ) - 1 A 21 A 13 ( I - A 33 ) - 1 A 32 ( I - A 22 ) - 1 A 21 ( I - A 33 ) - 1 A 32 I. (5),,, : M a3 = [ I - A 13 ( I - A 33 ) - 1 A 32 ( I - A 22 ) - 1 A 21 ] [ I - ( I - A 22 ) - 1 A 21 A 13 ( I - A 33 ) - 1 A 32 ] (6) 0 0 [ I - ( I - A 33 ) - 1 A 32 ( I - A 22 ) - 1 A 21 A 13 ] - 1, :

4 M a = I + ( M a1 - I) + ( M a2 - I) M a1 + ( M a3 - I) M a2 M a1, (7) : M a = M a3 M a2 M a1, (8) (Total Net Effects),,,. 213 SAM,SAM,,,,,.,, -., d y = ( I - C n ) - 1 d x = M c d x, (9) : C n, M c. C n A n : C ij = ija ij, (10) : ij., Pyatt Round (1979),. SAM M c1, M c2 M c3. 3 (2002) (2003), 2002 SAM. SAM 6 ; 8 ; ( ),,, , 1., Pyatt Round (1979),,, ( ) 1,, (Almost Ideal Demand System, AIDS) ( 1 ), SAM M a M c.,sam ( ), ( )., SAM, M c1 M c2 M c3.,,, : , AIDS (Fan, 2004).

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be invested on the desilting of water sources and to paved canals with cement mortar while drinking water project can focus on the improvement of wate 2011 9 100101 101 3 2007 2000 10 F303 A 1002-9753 2011 09-0030 - 11 Trends on Public Infrastructure and Public Investment Priority in Rural China LUO Ren - fu ZHANG Lin - xiu ZHAO Qi - ran HUANG Ji - kun