why should U.S. trade with other countries: 1) the conclusions
of the Ricardian and H-O models to argue why the U.S. should trade
with other countries, even when some sectors (import-competing
industries) might be hurt by free trade; (2) Will more
protectionism benefit or hurt this country? Why? (3) People often
cite job losses as a potential problem with free trade. Is this a
valid argument against free trade? Why or why not?