When the Minimum Wage Really Bites: The Effect of the U.S.-Level Minimum on Puerto Rico

Alida Castillo-Freeman and Richard B. Freeman, Immigration and the Work Force: Economic Consequences for the United States and Source Areas (University of Chicago Press, 1992), chap. 6, https://www.nber.org/books-and-chapters/immigration-and-work-force-economic-consequences-united-states-and-source-areas/when-minimum-wage-really-bites-effect-us-level-minimum-puerto-rico.