Box-Steffensmeier, Janet M.; Reiter, Dan; Zorn, Christopher - In: Journal of Conflict Resolution 47 (2003) 1, pp. 33-53
Event history models have become a dominant method of analysis in the study of international relations. Conventional event history models, however, retain the assumption that the effects of the covariates remain proportional to each other throughout the duration of the subject's phase....