This paper studies the impact of NAFTA on informality and real wages in Mexico. Using a dynamic industry model with firm heterogeneity, it is predicted that import tariff elimination could reduce the incidence of informality by making more profitable to some firms to enter the formal sector,...

Job polarisation has had strong effects on US workers' relative wages, according to research by Michael Boehm. His study examines whether the decline in manufacturing and clerical jobs has been responsible for the lagging wages of middle-skill workers in the United States. Comparing the...

Labor market institutions, via their effect on the wage structure, affect the investmentdecisions of firms in labor markets with frictions. This observation helps explain rising wageinequality in the US, but a relatively stable wage structure in Europe in the 1980s. Thesedifferent trends are the...

Since changes in trade openness are typically confounded with other factors, it has been difficult to identify the labor market consequences of increased international trade. The advent of the United States Interstate Highway System provides a unique policy experiment, which I use to identify...

Over the last two decades, earnings in the United States increased at the top and at the bottom of the wage distribution but not in the middle - the intensely debated middle class squeeze. At the same time there was a substantial decline of employment in middle-skill production and clerical...

How do firms respond to technological advances that facilitate the automation of tasks? Which tasks will they automate, and what types of worker will be replaced as a result? We present a model that distinguishes between a task's engineering complexity and its training requirements. When two...

The labor search and matching model plays a growing role in macroeconomic analysis. This paper provides a critical, selective survey of the literature. Four fundamental questions are explored: how are unemployment, job vacancies, and employment determined as equilibrium phenomena? What...

In this paper, I summarize the results of empirical studies in the areas of schooling and health, public programs and infant mortality, and government regulation of teenage smoking. My review is selective and is based on my own research. It is neutral with respect to the question of whether the...

This paper develops a simple theoretical framework to study a set of regions, each with its own regional government, who share a union or central government. These governments must decide whether to implement or discard a large number of projects that produce local benefits for the region that...

What are the incentives faced by local officials in China? Without democratic institutions, there is no mechanism for local residents to exercise "voice". Given the hukou registration system, local residents have little opportunity to threaten "exit" if they are unhappy with local taxes and...