Threats of mass revolts could effectively constrain a dictator's public policy if it were not for the collective-action problem. Mass revolts nevertheless happen, but they follow a stochastic pattern. We describe this pattern in a threshold model of collective action and integrate it into an...

In the original framework of Professors Acemoglu and Robinson, the government is unable to oppress the revolution once it is brought about. However, actual civil wars are unpredictable. With this notion, I introduce uncertainty depending on military expenditures of the government. Then an...

The Arab Spring has led to very different outcomes across the Arab world. I present a highly stylized model of the Arab Spring to better understand these differences. In this model, dictators from the ethnic or religious majority group concede power if their country is oil-poor, but can stay in...

We posit the problem of an autocrat who has to allocate access to the executive positions in his inner circle and define the career profile of his own insiders. Statically, granting access to an executive post to a more experienced subordinate increases political returns to the post, but is more...