4Lucas, Robert E. Jr. (1988) . "On the Mechanics of Economic Development," Journal of Monetary Economics 22,1 July, 3 - 42.
5Marshall, Alfred (1890) . Principles of Economics Vol.1, London, the Macmillian Press Limited. Ramsey, Frank (1928) "A Mathematical Theory of Saving," Economic Journal 38, December, 543 - 559.
6Romer, Paul M. (1986) . "Increasing Returns and Long- Run Growth," Journal of Political Economy 94, no.5, 1002- 1037.
7Smith, Adam (1776) . An Inquiry into the Nature and the Causes of The Wealth of Nations, New York, Random House, Inc. 1937.
8Coase, Ronald H. (1937) . "The Nature of the Firm,"Economica 4, November, 386 - 405.
9Coase, Ronald H. (1960) "The Problem of Social Cost," Journal of Law and Economics 3, October, 1 - 44.
10DeGregori, T. R. and Thompson, R. J. (1997) ."Natural Resources," International Encyclopedia of Econormics, F. N. Magill, ed. Volume 2, P1356. Fitzroy Dearbom Publishers, 1997.