What determines immigration's impact?
Subtitle: comparing two global centuries
By: Timothy J. Hatton, Jeffrey G. Williamson.
Contributors: Williamson, Jeffrey G., 1935-; National Bureau of Economic Research.
Series: NBER working paper series -- no. 12414.; Working paper series (National Bureau of Economic Research) -- working paper no. 12414.
Publisher: National Bureau of Economic Research
Published: 2006
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 26
Subjects: Emigration and immigration -- Economic aspects -- Mathematical models
Notes: "July 2006."

Includes bibliographical references (p. 17-19).

Also available in PDF from the NBER world wide web site (www.nber.org).