Jose, A., & Gonzalez, A. (1999). Labor market flexibility in thirteen Latin American countries and the United States: Revisiting and expanding okun coefficients. Washington: The World Bank.

Jose, Antonio, and Anaya Gonzalez. Labor Market Flexibility in Thirteen Latin American Countries and the United States: Revisiting and Expanding Okun Coefficients. Washington: The World Bank, 1999.

Jose, Antonio, and Anaya Gonzalez. Labor Market Flexibility in Thirteen Latin American Countries and the United States: Revisiting and Expanding Okun Coefficients. Washington: The World Bank, 1999.