4Arrow. K. , Chenery. H. , Minhas. B. , and Solow. R ( 1 9 6 1 ) , Capital- labor Substitution and Economic Efficiency, Review of Economics and Statistics, 43.
5De La Grandville. O. (1989), In Quest of the Slutsky Diamond, The American Economic Review, 70(3).
6Easterly W. and Fisher S. (1995), The Soviet Economic Decline, The World Bank Economic Review, 9 (3).
7Klump . R. and de La Grandville. O , ( 2 0 0 0 ) , Economic Growth and the Elasticity of Substitution :Two Theorems and Some Suggestions, The American Economic Review, 90 (1).
10Margarida Duarte and Diego Restuccia,The Role of theStructural Transformation in Aggregate Productivity [ R]. Uninver-sity of Toronto Working Paper, 2009.