This chapter provides an overview of the methodological and practical issues that arise when estimating causal relationships that are of interest to labor economists. The subject matter includes identification, data collection, and measurement problems. Four identification strategies are...

This paper reinvestigates the evidence on the impact of the minimum wage on employment in Puerto Rico. The strongest evidence that the minimum wage had a negative effect on employment comes from an aggregate time series analysis. The weakest evidence comes from cross-industry analyses. The main...

This paper tries to reconcile evidence from the microeconometric and empirical macro growth literatures on the effect of schooling on income and GDP growth. Much microeconometric evidence suggests that education is an important causal determinant of income for individuals within countries. At a...

This paper provides a long-term follow up of students who participated in the Tennessee STAR experiment. The Tennessee STAR experiment randomly assigned 11,600 elementary school students and their teachers to a small class, regular-size class or regular-size class with a teacher-aide. The...

Germany has experienced a high and rising rate of anti-foreigner violence during the early 1990s. To analyze the determinants of crime against foreigners we assembled a new data set on the number and nature of such crimes at the county level based on newspaper reports. We find significant...

The method of instrumental variables was first used in the 1920s to estimate supply and demand elasticities, and later used to correct for measurement error in single-equation models. Recently, instrumental variables have been widely used to reduce bias from omitted variables in estimates of...

In this paper we study the role of covenants in franchise contracts that restrict the recruitment and hiring of employees from other units within the same franchise chain in suppressing competition for workers. Based on an analysis of 2016 Franchise Disclosure Documents, we find that...

In this paper we study the role of covenants in franchise contracts that restrict the recruitment and hiring of employees from other units within the same franchise chain in suppressing competition for workers. Based on an analysis of 2016 Franchise Disclosure Documents, we find that...

In the last decade, state courts in many areas of the United States have ruled in favor of employees alleqing they were improperly dismissed. Many economists have contended that any judical or legislative departure from the employment-at-will doctrine is regressive and inefficient because it...

Germany has experienced a high and rising rate of anti-foreigner violence during the early 1990s. To analyze the determinants of crime against foreigners we assembled a new data set on the number and nature of such crimes at the county level based on newspaper reports. We find significant...