César R. Sobrino is a professor of economics and statistics at the Division of Business, Tourism, & Entrepreneurship at UAGM, Gurabo. He obtained his M.A. in Economics in 2005 and his Ph.D. in Economics in 2008 at West Virginia University. The research interests of Professor Sobrino include international macroeconomics, international trade, and macroeconomics. Specifically, he focuses on empirical macroeconomics using time-series methods.