Jens Ludwig : Works in Progress

"Is Crime Contagious?" (Revised and resubmitted to the Journal of Law and Economics. Also published as Princeton University Industrial Relations Section Working Paper 510) (with Jeffrey Kling).

"Underground Gun Markets," (NBER Working Paper 11737) (with Philip J. Cook, Sudhir Venkatesh and Anthony Braga).

"The Silence of the Lambdas: Deterring Incapacitation Research," (with Thomas J. Miles).

"Sex, Drugs, and Catholic Schools: Private Schooling and Adolescent Non-Market Behavior," NBER Working Paper # 7990 (with David Figlio).

"Neighborhood Effects on Low-Income Families: Evidence from a Natural Housing-Voucher Experiment in Chicago," (with Brian Jacob, Greg Duncan, James Rosenbaum and Michael Johnson).

"Can Non-Experimental Estimators Replicate Experimental Estimates of Neighborhood Effects?" (with Brian Jacob and Jeffrey Smith).