“Ethnic enclaves in the classroom”, with Jane Friesen. Labour Economics 18 (5): 656-663, 2011.
“Non-Standard English Dialects and the Effect of Supplementary Funding on Educational Achievement,” with Michele Battisti, Mark Campbell, and Jane Friesen. Canadian Journal of Speech-Language Pathology and Audiology 35 (2): 190-197, 2011
“Sorting, peers and achievement of Aboriginal students in British Columbia”, with Jane Friesen. Canadian Journal of Economics 43(4): 1273-1301, 2010. A non-technical summary of this research appears in the July 2011 issue of Labour Market Matters .
“Disabled peers and academic achievement”, with Jane Friesen and Ross Hickey, Education Finance and Policy 5(3): 317-348, 2010.
“Social isolation”, in William A. Darity, Jr., ed., International Encyclopedia of the Social Sciences, Edition 2 . Detroit: Macmillan Reference USA, 2008.
“Sorting and inequality in Canadian schools”, with Jane Friesen, Journal of Public Economics 91(11-12): 2185-2212, December 2007.
“Peer effects and selection effects on youth smoking in California”, Journal of Business and Economic Statistics 25(3): 288-298, July 2007.
“Simulation-based estimation of peer effects”, Journal of Econometrics 133(1): 243-271, July 2006. Computer programs and documentation also available (updated March 1, 2005)
“Social interactions in small groups”, Canadian Journal of Economics 39(2): 414-433, May 2006.
“Peer effects and selection effects on youth smoking in Canada”, Canadian Journal of Economics 38(3): 735-757, August 2005.
“Structural estimation of peer effects in youth smoking,” in Lindgren and Grossman, eds. Substance Use: Individual Behavior, Social Interaction, Markets and Politics, Elsevier 2005.
“A dynamic model of job networking and social influences on employment”, Journal of Economic Dynamics and Control 28(6): 1185-1204, March 2004.
“A dynamic model of job networking and persistent inequality,” in Cowan and Jonard, eds. Heterogeneous Agents, Interactions, and Economic Performance, Springer 2003.
Bounding a linear causal effect using relative correlation restrictions (a previous version was presented under the title “Forming better guesses about neighborhood effects on health: Estimating community effects using conditional modeling of unobservables.”). A Stata package implementing the estimator is also available
Maximum likelihood estimation of social interaction effects with nonrandom group selection (very preliminary).
Social interactions, thresholds, and unemployment in neighborhoods.