We analyze binary choice models in communication networks, in which both, the formation of links in the network as well as the action choices are endogenous. We provide a complete characterization of the equilibrium action choices and networks, where agents choose their strategies - actions and...

Critiques of liberal, top-down approaches to peacebuilding have motivated a discussion of alternative, locally-led, and community-based approaches to achieving and maintaining sustainable peace. This article uses a case study of women’s savings and credit cooperatives in post-violence Nepal to...

The study models the spread of Nepal’s civil war across geography and over time. The potential effects of poverty, geography, caste, and prewar election outcomes on the spread and intensity of war-violence is examined, using data from the 1996 to 2006 Nepalese-Maoist civil war. Results...

Why do sudden and massive social, economic, and political changes occur when and where they do? Are there institutional preconditions that encourage such changes when present and discourage such changes when absent? I employ a general model which suggests that cascades which induce massive...

Collective action is a dynamic process where individuals in a group assess over time the benefits and costs of participating toward the success of a collective goal. Early participation improves the expectation of success and thus stimulates the subsequent participation of other individuals who...

The election of extreme political leaders is often associated with changes in political institutions. This paper studies these phenomena through a model in which the median voter elects a leader anticipating that he will impose institutional constraints—such as constitutional amendments,...

This paper proposes an analysis of the emergence and evolution of institutional frameworks. It explains the causes, process, and outcome of institutional evolution. We first describe the institutional framework as a multilevel system at the bottom of which several “local and flexible”...