5Park A, Wang S, Wu G. Regional Poverty Targeting in China. Journal of Public Economics, 2002( 1 ) :123 -153.
6Park A, Wang S. Community-Based Development and Poverty Alleviation- An Evaluation of China' s Poor Village Investment Program. Journal of Public Economics, 2010 (9) : 790 - 799.
7Agresti A. An Introduction to Categorical Data Analysis. New York: John Wiley & Sons, 1996.
8Lind D A, Marchal W G, Wathen S A. Statistical techniques in business and economics. Irwin: MaGraw-Hill, 2002.
