The quotation from former Federal Reserve chairman Ben Bernanke at the beginning of the chapter is from a speech that he delivered in Jackson Hole, Wyoming, on August 25, 2006, titled “Global Economic Integration: What’s New and What’s Not?” The full transcript of the speech is available at https://www.federalreserve.gov/newsevents/speech/bernanke20060825a.htm. Read this speech and answer the following questions:

a.   List three ways in which international trade today does not differ from the trade that occurred before World War I.

b.   List three ways in which international trade today differs from the trade that occurred before World War I.