International economics can be deeply complex, splitting into two massive sub-fields: international trade (the microeconomic side) and international finance (the macroeconomic side). Krugman, Obstfeld, and Melitz bridge this gap seamlessly.
A highly practical framework that predicts trade flows based on the economic size (GDP) of two countries and the physical distance between them. It explains why neighboring countries typically form the tightest trade partnerships. 4. New Trade Theory (NTT) and Melitz's Heterogeneous Firms economia internacional krugman 11 edicion pdf free