This paper presents a model of the macroeconomy that reformulates what I take to be two important ideas from Keynes General Theory. The first is that there may be a continuum of steady state unemployment rates. The second is that beliefs select an equilibrium. I argue that search and matching...

While much research in political economy points out the benefits of "limited government," political scientists have long emphasized the problems created in many less developed nations by "weak states," which lack the power to tax and regulate the economy and to withstand the political and social...

We present a model where heterogeneous districts choose both whether to experiment and the policies to experiment with. Since districts learn from each other, the first-best requires that policy experiments converge so that innovations are useful also for neighbors. However, the equilibrium...

Keynes's "Grandchildren" essay famously predicted both a rapid increase in productivity and a sharp shrinkage of the workweek - to fifteen hours - over the century from 1930. Keynes was right (so far) about output per capita, but wrong about the workweek. The key reason is that he failed to...

We develop a micro-founded general equilibrium model with heterogeneous agents and three dimensions of financial inclusion: access (determined by a participation cost), depth (determined by a borrowing constraint), and intermediation efficiency (determined by a monitoring cost). We find that the...