Two Strands of Field Experiments in Economics : A Historical-Methodological Analysis

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Nagatsu , M & Favereau , J 2020 , ' Two Strands of Field Experiments in Economics : A Historical-Methodological Analysis ' , Philosophy of the Social Sciences , vol. 50 , no. 1 , pp. 45-77 .

Title: Two Strands of Field Experiments in Economics : A Historical-Methodological Analysis
Author: Nagatsu, Michiru; Favereau, Judith
Contributor organization: Practical Philosophy
Helsinki Institute of Sustainability Science (HELSUS)
TINT – Centre for Philosophy of Social Science
Staff Services
Date: 2020-01
Language: eng
Number of pages: 33
Belongs to series: Philosophy of the Social Sciences
ISSN: 0048-3931
Abstract: While the history and methodology of laboratory experiments in economics have been extensively studied by philosophers, those of field experiments have not attracted much attention until recently. What is the historical context in which field experiments have been advocated? And what are the methodological rationales for conducting experiments in the field as opposed to in the lab? This article addresses these questions by combining historical and methodological perspectives. In terms of history, we show that the movement toward field experiments in economics has two distinct roots. One is the general orientation of medical and social sciences to evidence-based policy evaluation, which gave rise to randomized field experiments in economics (e.g., behavioral public policy, poverty alleviation policy). The other is an awareness of several methodological limitations of lab experiments in economics, which required practitioners to get out of the lab and into the field. In these senses, the movement is a consequence of influences from both outside and inside economics: the general evidencebased trend in policy science and an internal methodological development of experimental economics. In terms of methodology, we show that these two roots resulted in two somewhat different notions of “external validity” as methodological rationales of field experiment. Finally, we suggest that analysis of experiments as exhibits highlights a methodological strategy in which both strands complement each other.
Subject: ANALOGY
experimental economics
field experiments
history of economics
internal and external validity
methodology of economics
randomized experiments
511 Economics
611 Philosophy
Peer reviewed: Yes
Usage restriction: openAccess
Self-archived version: acceptedVersion

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