6Acemoglu, D. ; Antras, P. and Helpman, E. "Contracts and Technology Adoption. " American Economic Review, 2007,97 (3), pp. 916-943.
7Arellano, M. and Bover, O. "Another Look at the Instrumental Variable Estimation of Error-Component Models. " Journal of Econonvetrics, 1995, 68(1) , pp. 29-51.
8Bah'o, R. and Lee, J. "A New Data Set of Educational Attainment in the World, 1950 - 2010. " NBER Working Paper, 2010, No. 15902.
9Beck, T. "Financial Dependence and International Trade. "Review of International Economics, 2003, 11 (2) , pp. 296-316.
10Beck, T. ; Asli, D. and Levine, R. "A New Dataset on Financial Development and Structure. " World Bank Working Paper Series, 2010, No. 4943.
