Economic historians Douglass C. North and Avner Greif use the tools on the New Institutional Economics and Game Theory and draw the attention of economists to the fact that both markets and governments are institutional constructs created by opportunistic individuals and groups with different...

This paper introduces an informal model of behavior of Politicians and Social Leaders in their mutual relations in the context of influencing the beliefs of voters. Facing uncertainty about Politicians voters turn to Social Leaders as information short-cuts. Leaders include NGOs, the media and...