The neoclassical growth model is extended to include costly intermediated borrowing and lending between households. This is an important extension as substantial resources are used in intermediating the large amount of borrowing and lending between households. In 2007, in the United States, the...

The U.S. economy has recently experienced two, seemingly unrelated, phenomena: a large increase in post-retirement life expectancy and a major expansion in securitization and shadow banking activities. We argue they are intimately related. Agents rely on financial intermediaries to save for...

It depends what we want to measure. Most literature has focused on observed flow of savings (per-period savings as fraction of GDP), which has declined persistently since 1980. Even though this decline means that fewer funds are available for investment in each period, it does not follow that...

The increase in army size observed in early modern times changed the way states conducted wars. Starting in the late 18th century, states switched from mercenaries to a mass army by conscription. In order for the population to accept to fight and endure war, the government elites began to...

Why do some leaders invest in significant nation-building policies and others do not? Why does nation-building occur at certain junctures in time and not others? In our research, we investigate what motivates leaders to nation build. We argue that threats to their regime motivate rulers to...