Per Hjertstrand's research interest is mainly econometrics, with focus on production and consumer analyses. At present, he is working on a project aiming at developing statistical procedures for testing if fundamental productions and consumer models can explain observed data.
Publications in peer-reviewed journals
Mixed integer programming revealed preference tests of utility maximization and weak separability of consumption, leisure and money (with James Swofford and Gerald Whitney), forthcoming in Journal of Money, Credit and Banking, 2016.
Revealed preference tests for weak separability: an integer programming approach (with Laurens Cherchye, Thomas Demuynck and Bram De Rock), Journal of Econometrics 186, 129-141, 2015.
Consistent subsets: computationally feasible methods to compute the Houtman-Maks-Index (with Jan Heufer), Economics Letters 128, 87-89, 2015.
Are the choices of people stochastically rational? A stochastic test of the number of revealed preference violations (with James Swofford), Empirical Economics 46, 1495-1519, 2014.
Indirect estimation of semiparametric binary choice models (with Joakim Westerlund), Oxford Bulletin of Economics and Statistics 76:2, 298-314, 2014.
Revealed preference tests for consistency with weakly separable indirect utility (with James Swofford). Theory and Decision 72, 245-256, 2012.
Relative sources of european regional productivity convergence: A bootstrap frontier approach (with Kerstin Enflo). Regional Studies 43:5, 643-659, 2009.
A Monte Carlo study of the necessary and sufficient conditions for weak separability. Advances in Econometrics 24, 151-182, 2009.
Food demand in Sweden: A nonparametric approach. Published in Functional Structure Inference, W. A. Barnett and A. Serletis (Eds.), 157-182, Chapter 9, 2007, Elsevier.
Working papers and supplementary material to papers
A simple method to account for measurement errors in revealed preference tests. Supplementary material. This is a revised version of IFN working paper 990.