1. Abdiweli, A., & Hodan, I. (2003). Determinants of economic corruption: a cross-country comparison. Cato Journal, 22(3), 449–466.
2. Acemoglu, D., Johnson, S., & Robinson, J. (2001). The colonial origins of comparative development: an empirical investigation. American Economic Review, 91(5), 1369–1401.
3. Acemoglu, D., Johnson, S., & Robinson, J. (2002). Reversal of fortune: geography and institutions in the making of the modern world income distribution. Quarterly Journal of Economics, 117(4), 1231–1294.
4. Al-Momani, M. (2003). Financial transfer and its impact on the level of democracy: a pooled cross-sectional time series model. Dissertation, Yarmouk University Department of Political Science. http://digital.library.unt.edu/ark:/67531/metadc4243/m2/1/high_res_d/dissertation.pdf .
5. Alesina, A., & Weder, B. (2002). Do corrupt governments receive less foreign aid? American Economic Review, 92(4), 1126–1137.