This paper examines the evolution of the Mexican-born workforce in the United States using data drawn from the decennial U.S. Census throughout the entire 20th century. It is well known that there has been a rapid rise in Mexican immigration to the United States in recent years. Interestingly,...

While businesses require funding to start and grow, they also rely on human capital, which affects how they raise funds. Labor market frictions make financing labor different than financing capital. Unlike capital, labor cannot be owned and can act strategically. Workers face unemployment costs,...

Over the past 15 years, labor-quality growth has been very strong—defying nearly all earlier projections—and has added around 0.5 percentage points to an otherwise modest U.S. productivity picture. Going forward, labor quality is likely to add considerably less and may even be a drag on...

In this paper, I selectively review recent literature on illegal migration from Mexico to the United States. I begin by discussing methods for estimating stocks and flows of illegal migrants. While there is uncertainty about the size of the unauthorized population, new data sources make it...

We analyze a large-scale survey of owners, managers, and employees of small businesses in the United States to understand the effects of the early stages of the COVID-19 pandemic on those businesses. The survey was fielded in late April 2020 among Facebook business page administrators, frequent...

We provide evidence on the value of patents to startups by leveraging the quasi-random assignment of applications to examiners with different propensities to grant patents. Using unique data on all first-time applications filed at the U.S. Patent Office since 2001, we find that startups that win...

We estimate differences in innovation behavior between foreign versus U.S.-born entrepreneurs in high-tech industries. Our data come from the Annual Survey of Entrepreneurs, a random sample of firms with detailed information on owner characteristics and innovation activities. We find uniformly...

International trade exposure affects job creation and destruction along the intensive margin (job flows due to expansions and contractions of firms' employment) as well as along the extensive margin (job flows due to births and deaths of firms). This paper uses 1992-2011 employment data from the...

We use Census micro data to shed new light on how growth in house prices boosts US entrepreneurship. At the height of the 2007 real estate boom, 5% of self-employed individuals and 12% of employer-businesses used home equity to partly or wholly finance a new business. Despite this frequency,...

Using U.S. Bureau of Economic Analysis data for individual foreign acquisitions and new establishments in the U.S from 1988 to 1998, and aggregate data for 1980 to 1998, we find that acquisitions and establishments of new firms tend to occur in periods of high U.S. growth and take place mainly...