This paper investigates whether and under which conditions democracy renders economic performance more efficient. Efficiency, measured by the ratio of (mean)/ (standard deviation) of output growth, becomes an important indicator of the relative goodness of economic performance when countries...

This paper analyses the experience of 83 countries from the period of 1950-2004 and addresses the following question: when do democratic transitions produce (good) bad economic outcomes. Following the theoretical papers of Acemoglu et al. (2004, 2008(a)), an attempt is made to control for both...

This paper analyses the survival of four different growth regimes conditional on political regime transitions that occurred during the first or prior year of the economic regime. The results suggest that in countries with no history of military dictatorship (MD), the episodes of fast-growing...

Photo-fermentative production of hydrogen (H2) by purple bacterium Rhodobacter sphaeroides MDC6521 from Armenian mineral springs and its regulation by external reducers and oxidizers have been investigated. Reducers such as dl-dithiothreitol (DTT) and dithionite suppress bacterial growth but...

The thesis consists of a summary and three self-contained papers related to political transition and economic growth with parallel study of countries with and without Military Dictatorship (MD) history. <p> Paper [1]: studies the experience of 83 countries in 1950-2004 and addresses the question:...</p>