TY - BOOK ID - 142830992 TI - Swap : how trade works AU - Levy, Philip I. AU - Barfield, Claude E. PY - 2011 SN - 0844772070 9780844772073 PB - Washington, DC : AEI Press, DB - UniCat KW - International trade. KW - United States KW - Commerce. UR - https://www.unicat.be/uniCat?func=search&query=sysid:142830992 AB - A concise introduction to the principles of world economics, Swap is an easy-to-understand resource for a general audience. This brief, practical volume covers the principles of specialization, comparative advantage, deficits, supply chains, labor and environmental standards, trade with the developing world, and more. ER -