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Type | Journal Article |
Scope | Discipline-based scholarship |
Title | Using individual-level randomized treatment to learn about market structure |
Organization Unit | |
Authors |
|
Item Subtype | Original Work |
Refereed | Yes |
Status | Published in final form |
Language |
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Journal Title | American Economic Journal: Applied Economics |
Publisher | American Economic Association |
Geographical Reach | international |
ISSN | 1945-7790 |
Volume | 14 |
Number | 4 |
Page Range | 58 - 90 |
Date | 2022 |
Abstract Text | Interference across competing firms in RCTs can be informative about market structure. An experiment that subsidizes a random subset of traders who buy cocoa from farmers in Sierra Leone illustrates this idea. Interpreting treatment-control differences in prices and quantities purchased from farmers through a model of Cournot competition reveals differentiation between traders is low. Combining this result with quasi-experimental variation in world prices shows that the number of traders competing is 50 percent higher than the number operating in a village. Own-price and cross-price supply elasticities are high. Farmers face a competitive market in this first stage of the value chain. |
Digital Object Identifier | 10.1257/app.20200306 |
Other Identification Number | merlin-id:22802 |
PDF File | Download from ZORA |
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Keywords | General economics, econometrics and finance |