Journal of Economic Literature
ISSN 0022-0515 (Print) | ISSN 2328-8175 (Online)
Doctoral Dissertations in Economics
Journal of Economic Literature
vol. 44,
no. 4, December 2006
(pp. 1166–1192)
ISSN 0022-0515 (Print) | ISSN 2328-8175 (Online)