eprintid: 46478
rev_number: 25
eprint_status: archive
userid: 1482
importid: 105
dir: disk0/00/04/64/78
datestamp: 2022-12-13 09:41:51
lastmod: 2024-03-18 15:48:22
status_changed: 2024-03-18 15:48:22
type: article
metadata_visibility: show
creators_name: Jochmans, Koen
creators_id: koen.jochmans@tse-fr.eu
creators_idrefppn: 175871108
creators_affiliation: Toulouse School of Economics ; University of Toulouse Capitole
creators_halaffid: 1002422
title: Testing random assignment to peer groups
ispublished: pub
subjects: subjects_ECO
abstract: Identification of peer effects is complicated by the fact that the individuals under study may self-select their peers. Random assignment to peer groups has proven useful to sidestep such a concern. In the absence of a formal randomization mechanism it needs to be argued that assignment is `as good as' random. This paper introduces a simple yet powerful test to do so. We provide theoretical results for this test. As a by-product we equally obtain such results for an approach popularized by Guryan, Kroft and Notowidigdo (2009). These results help to explain why this approach suffers from low power, as has been observed elsewhere. Our approach can equally be used to test for the presence of peer effects in the linear-in-means model without modification.
date: 2023-04
date_type: published
publisher: John Wiley & Sons
id_number: 10.1002/jae.2953
official_url: http://tse-fr.eu/pub/127551
faculty: tse
divisions: tse
keywords: asymptotic power
keywords: bias
keywords: fixed effects
keywords: peer effects
keywords: random assignment
keywords: test
language: en
has_fulltext: TRUE
doi: 10.1002/jae.2953
subjectsJEL: JEL_C12
subjectsJEL: JEL_C21
view_date_year: 2023
full_text_status: public
publication: Journal of Applied Econometrics
volume: vol. 38
number: n° 3
place_of_pub: Chichester‎ ; New York‎ ; Wiley
pagerange: 321-333
refereed: TRUE
issn: 0883-7252
oai_identifier: oai:tse-fr.eu:127551
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oai_lastmod: 2024-03-13T13:02:49Z
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site: ut1
hal_id: hal-04077423
hal_passwd: bxfkce
hal_version: 1
hal_url: https://hal.science/hal-04077423
citation:   Jochmans, Koen <https://www.idref.fr/175871108>  (2023) Testing random assignment to peer groups.    Journal of Applied Econometrics, vol. 38 (n° 3).  pp. 321-333.       
document_url: https://publications.ut-capitole.fr/id/eprint/46478/1/wp_tse_1270.pdf