Culture as a determinant - refuted by Korea and a Mexican American twin cities and their respective differences in performance. Religion, Protestant ethic? Even Singapore has risen without Protestantism, South Korea, Taiwan as well. The all failing states common denominator is the "extractive" economic order, the renunciation of incentives for the performance of work own. What like the empirical evidence of the correctness of the theses read Francis Fukuyama, bears the warning that the liberal democracy at the end of history "Extractive" can form, inhibiting power and wealth-reducing systemic approaches.
Certainly the authors with the term pair extraction / including a big hit, which has significantly more separation sharp as previous independent variables - only completely neutralize not let cultural and religious influences, as they feed back to the ordering institutions.