In this paper we study how a society can transition between different economic and political regimes. When the current regime is elitism, modeled as collection of units land where at each these there member elite peasant. Under democratic regime, citizen whose role to work enjoy full output he produces. At every period with some small probability critical juncture arrives, giving chance for cha...

the political democracies have the different functions that some of them, like governmental change and legitimacy provision of political system are apparent. the mentioned phenomenon furthermore on direction of regime endure has also latent function. so this paper argues that political democracies have a preventive role concerning emergence of political revolutions and violent change of authori...