ECONOMETRICS RESEARCH SEMINAR	INVITATION
R E M I N D E R The Department of Economics and Finance at the Institute for Advanced Studies cordially invites you to the following Econometrics Research Seminar Thursday, October 15, 2015 Attention – New Address Institute for Advanced Studies Josefstädter Straße 39, 1080 Vienna Change of room: Seminar Room 101 9:00 am (Please note that the seminar will start at 9 am sharp!) Giovanni Mellace University of Southern Denmark Relaxing monotonicity in the identification of local average treatment effects Abstract: In heterogeneous treatment effect models with endogeneity, the identification of the local average treatment effect (LATE) typically relies on an instrument that satisfies two conditions: (i) joint independence of the potential post-instrument variables and the instrument and (ii) monotonicity of the treatment in the instrument. We show that identification is still feasible when replacing monotonicity by a strictly weaker local monotonicity condition (given marginal potential outcomes). We demonstrate that the latter allows identifying the LATEs on the (i) compliers (whose treatment reacts to the instrument in the intended way), (ii) defiers (who react counter-intuitively), and (iii) both populations jointly. Furthermore, (i) and (iii) coincides with standard LATE if monotonicity holds. We also present an application to the quarter of birth instrument. paper jointly with Christian M. Dahl and Martin Huber We are looking forward to seeing you! Institute for Advanced Studies Department of Economics and Finance Josefstädter Straße 39, 1080 Vienna, Austria Tel.: +43 1 599 91 145 e-Mail: economics@ihs.ac.at http://economics.ihs.ac.at		LINKS DIRECTIONS TO IHS on Google maps ECONOMICS SEMINARS IN VIENNA on Google calendar IHS Department of Economics and Finance Dept of Economics and Finance @IHS_Eco_Fin Institute for Advanced Studies @IHS_Vienna
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