This paper studies short-run wealth mobility in a heterogeneous agents, incomplete-markets model. Wealth mobility has a “hump-shaped” relationship with the persistence of the stochastic process governing labor income: low when shocks are close to i.i.d. or close to a random walk, and higher...

In societies where surnames are inherited from parents, we can use these names to estimate rates of intergenerational mobility. This paper explains how to make such estimates, and illustrates their use in pre-industrial England and modern Chile and India. These surname estimates have the...

To grow Phirbol, a telecom retail franchise chain in Delhi, India's underdeveloped markets, its founders were exploring ways to offer more value to the franchisees. In mid-2009, the Phirbol franchise was comprised of some 150 franchisees that had converted their small "mom-and-pop" shops into...