6Shenggen F, Linxiu Z. How does public spending affect growth and poverty in China [J] . China &World Economy, 2001 (2) .
7Bond, S. R. , 2002," Dynamic Panel Data Models: A Guide to Micro Data Methods and Practice", Portuguese Economic Journal, 1 (2), 141-162.
8Borooah, V. K. , B. Gustafsson, and S. Li, 2006, " China and India: Income Inequality and Poverty North and South of the Himalayas", Journal of Asian Economics, 17 ( 5 ), 797-817.
9Bravo-Ureta, B.E. , D. Soils, H. Cocchi, and R. E. Quiroga, 2006,"The Impact of Soil Conservation and Output Diversification on Farm Income in Central American Hillside Farming", Agricultural Economics, 35 (3) , 267-276.
10Caner, M., and B. E. Hansen, 2004,"Instrumental Variable Estimation of A Threshold Model", Econometric Theory, 20(5 ), 813-843.