1. Mixed Logit Estimation of Radical Islamic Terrorism in Europe and North America
2. . 1996. Multinomial probit with a logit kernel and a general parametric specification of the covariance structure. Working paper, Massachusetts Institute of Technology.
3. . 1985. Discrete Choice Analysis: Theory and Application to Travel Demand. MIT Press: Cambridge, MA.
4. , . 2002. Specification, identification, and estimation of the logit kernel (or continuous mixed logit) model. Working paper, Massachusetts Institute of Technology.