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...

We provide the first estimates of intergenerational income mobility for a developing country, namely Brazil. We measure formal income from tax and employment registries, and we train machine learning models on census and survey data to predict informal income. The data reveal a much higher...

Geographic mobility is a celebrated feature of American life. Deciding where to live is seen not only as a key personal freedom, but also a means of economic advancement. Millions of Americans move each year over great distances. But while this right to travel is safeguarded by the Constitution,...