An explanation for the political processes leading to the sudden collapse of empires and states would be useful for understanding both historical and contemporary political events. We examine political disintegration across eras, cultures and geographical scale to form a simple hypothesis that can be expressed verbally yet formulated mathematically. Factions within a state make choices describe...

CULTURE, INSTITUTIONS AND DEMOCRATIZATION* Yuriy Gorodnichenko Gerard Roland University of California, Berkeley and NBER University of California, Berkeley, CEPR and NBER First draft: November 2012 This draft: April 2015 Abstract: We construct a model of revolution and transition to democracy under an individualistic and a collectivist culture. The main result is that, despite facing pot...

Forces within and outside the field of medicine are impelling new trends in psychiatric services. One of the major trends seen during the last few decades is a change from "close" to "open" system of psychiatric care with a resultant change from traditional autocratic, seclusive mental hospital system to an "open" system with a wide range of flexibility. General hospital psychiatry is a part of...

This paper assesses the effect of political institutions on stock market performance in 14 African countries for which stock market data is available for the period 1990-2010. The estimation technique used is a Two-Stage-Least Squares Instrumental Variable methodology. Political regime channels of democracy, polity and autocracy are instrumented with legal-origins, religious-legacies, income-le...

Three different samples (total N = 485) participated in the development and refinement of the Leadership Scale for Sports (LSS). A five-factor solution with 40 items describing the most salient dimensions of coaching behavior was selected as the most meaningful. These factors were named Training and Instruction, Democratic Behavior, Autocratic Behavior, Social Support, and Positive Feedback. In...