8Daron Acemoglu, Introduction to Modern Economic Growth, Princeton NJ: Princeton University Press, 2008, p. 155.
9Daron Acemoglu, Introduction to Modern Economic Growth, p. 157.
10Daron Acemoglu, Simon Johnson and James Robinson, " The Colonial Origins of Comparative Development: An Empirical Investigation, " American Economic Review, vol. 91, no. 5, 2001, pp. 1369- 1401.