"May 2010."
"International trade and regional economics."
"A revision of an earlier version presented in 2006 and 2007 under the title "Expansion of trade at the extensive margin : welfare and trade-volume consequences. The paper was presented at the Athens ETSG and at CESifo Munich, September 2007 [etc.]."--Prelim.
Expansion of trade at the extensive margin : a general gains-from-trade result and illustrative examples by James R. Markusen. Published by Centre for Economic Policy Research in 2010. Publication and catalogue information, links to buy online and reader comments.