Immigrants contribute disproportionately to entrepreneurship in many countries, accounting for a quarter of new … employer businesses in the US. We review recent research on the measurement of immigrant entrepreneurship, the traits of … are immigrants. We utilize the Annual Business Survey to quantify the greater rates of patenting and innovation in …

What is the role of startups within the innovation ecosystem? Since 2000, startups have grown in their share of … ventures in the innovation process relative to more traditional alternatives such as academia and established private … generate predictions related to the value and impact of startup innovation. We then explore these predictions using patents …

decentralized firms, the ethnic compositions of inventors in satellite locations mostly resemble their host cities, with little link …

Global innovation and entrepreneurship has traditionally been dominated by a handful of high-income countries …-ranging positive consequences, including a rise in serial entrepreneurship, cross-sector spillovers, innovation, and broader measures …, especially the US. This paper investigates the international consequences of the rise of a new hub for innovation, focusing on …

We use the German bombing of London during the Second World War as an exogenous source of variation to provide evidence … destruction, property values, and socioeconomic composition in London before and after the Second World War. We develop a …

Are developing-world cities engines of opportunities for low-wage earners? In this study, we track a cohort of young … skill segregation on upward income mobility. We find that cities in the south of Brazil are more effective engines of upward … mobility than cities in the north and that these differences appear to be primarily related to the exposure of unskilled …

Internal migration in the United States has declined substantially over the past several decades, which has important … internal migration and how they have changed over time. We use administrative data from the IRS covering the universe of … local wage levels and home prices, and we estimate bilateral migration determinants in rich regression specifications that …

We investigate the role of information frictions in migration. We develop novel moment inequalities to estimate worker … preferences while allowing for unobserved worker-specific information sets, migration costs, and location-specific amenities and … prices. Using data on internal migration in Brazil, we find that common estimation procedures underestimate the importance of …

during 1989-1995. This third and final migration wave of young Vietnamese immigrants was sparked by unexpected events that …