2015

Revealed Preference Tests for Weak Separability: An Integer Programming Approach

Reprint No. 2015:24

Author(s): Laurens Cherchye, Thomas Demuynck, Bram De Rock and Per HjertstrandYear: 2015 Title: Journal of Econometrics Volume (No.): 186 (1) Pages: 129–141
Online article (restrictions may apply)


We present the revealed preference conditions that characterize the data sets that are consistent with the maximization of a weakly separable utility function. We show that verifying these revealed preference conditions is np-hard. We also present an integer programming approach, which is particularly attractive in view of empirical analysis. We demonstrate the versatility of this integer programming approach by showing that it allows for testing homothetic separability and weak separability of the indirect utility function. We illustrate the practical usefulness of the approach by an empirical application to Spanish household consumption data.


Reference:
Cherchye, Laurens, Thomas Demuynck, Bram De Rock and Per Hjertstrand (2015), "Revealed Preference Tests for Weak Separability: An Integer Programming Approach". Journal of Econometrics 186(1), 129–141.

Per Hjertstrand

Contact

Ph: +46 8 665 4557
per.hjertstrand@ifn.se

Integrating Immigrants into the Nordic Labour Markets

An Overall Perspective

Pages-from-2019-Calmfors-Gassen---Integrating-Immigrants-into-the-Nordic-Labour-Markets.gif

Denmark, Finland, Norway and Sweden face similar problems of integrating large groups of immigrants, especially low-educated ones from outside the EU, into their labour markets. In this volume, edited by Lars Calmfors, IFN, and Nora Sánchez Gassen in cooperation with researchers from across the Nordic Region analyse how labour market integration of immigrants can be promoted. 

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