Berthold R. Haag

Testing and imposing Slutsky symmetry in nonparametric demand systems

Berthold R. Haag, Stefan Hoderlein, K. Pendakur, 2009 .

Model Choice in Structured Nonparametric Regression and Diffusion Models

Berthold R. Haag, 2006 .

Inequality Constraints in the Fractionally Integrated GARCH Model

Christian Conrad, Berthold R. Haag, 2006 .