http://digfir-published.macmillanusa.com/wio_krugman/wio_krugman_chapter08.html
Chapter
1. Chapter 8 (Chapter 5 Macro)
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http://digfir-published.macmillanusa.com/wio_krugman/wio_krugman_chapter08_dlap.xmlDLAP questions54be2d30757a2e644e000000