Test Bank (Download only) for International Economics: Theory and Policy, 10th Edition Paul R. Krugman, Princeton University Maurice Obstfeld, University of California, Berkeley 6. You are buying: Test Bank for International Trade, 4th Edition, Robert C. Feenstra, ISBN-10: 1319061737, ISBN-13: 9781319061739; 7. ***THIS IS NOT THE ACTUAL BOOK. YOU ARE BUYING the Test Bank in e-version of the following book*** What is a test bank? A test bank is a collection of test questions tailored to the contents of an individual Test Bank for International Trade, 3rd Edition, Robert C. Feenstra, Alan M. Taylor, ISBN: 9781429278447. This is not an original TEXT BOOK (or Solution Manual or original eBook). You are buying Test Bank. A Test Bank is collection of test questions tailored to the contents of an individual text book.