3Acemoglu D.,S, Johnson,J. A. Robinson.,2005,From Education to Democracy - [J],AmericanEconomic Review,95 (2),44-49.
4Arellano M. , S. Bond, 1991, Some Tests of Spedfication for Panel Data .. Monte Carlo Evidenceand an Application to Employment Equations [J],Review of Economic Studies- 58 (2),277-297.
5Arellano M.,Olympia Bover, 1995,Another Look at the Instrumental Variable Estimation of Er-ror^Components Models [J], Journal of Econometrics, 68 (1),29-51.
6World Bank, 2012,World Development Indicators [M],World Bank.
7Blundell R. , Stephen Bond,2000,GMM Estimation ivith Persistent Panel Data ; An Applicationto Production Functions [J],Econometric Reviews, 19 (3),321 -340.
8Windmeijer Frank, 2005,A Finite Sample Correction for the Variance of Linear Efficient Tzvo-Step Gmm Estimators [J], Journal of Econometrics, 126 (1),25-51.
9Wooldridge Jeffrey, 2010,Econometric Analysis of Cross Section and Panel Data [M],The MITPress.
