This document summarizes the key points from a lecture on international trade and economics. It discusses trends toward globalization seen in growing world exports and foreign direct investment. It also covers topics like tariffs, trade agreements like the GATT and WTO, as well as controversies around trade such as the Great Depression and Doha Round negotiations. Graphs and tables are presented on topics like average tariff rates among countries and the difference between bound and applied tariffs. The lecture concludes with a video case study and question/answer session on the International Trade Centre.