Research

Work in progress

Testing for Unobserved Heterogeneity in Duration Analysis Using Time-Varying Explanatory Variables (with Gerard van den Berg (University of Groningen) and Bo Honoré (Princeton University))

Semiparametric Estimation of Transformation Models with Interaction Effects between Observed and Unobserved Determinants (with Gerard van den Berg (University of Groningen) and Enno Mammen (Heidelberg University))