//-->
Income and democracy: a comment on Acemoglu, Johnson, Robinson, and Yared (2008)
Gundlach, Erich, (2008)
Democratic transition, The: a study of the causality between income and the Gastil democracy index
Paldam, Martin, (2008)
The agricultural and the democratic transitions: causality and the roundup model
Gundlach, Erich, (2009)