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Picture this : a simple graph that reveals much ado about research
Funnel graphs provide a simple, yet highly effective, means to identify key features of an empirical literature. This paper illustrates the use of funnel graphs to detect publication selection bias, identify the existence of genuine empirical effects and discover potential moderator variables that can help to explain the wide variation routinely found among reported research findings. Applications include union–productivity effects, water price elasticities, common currency-trade effects, minimum-wage employment effects, efficiency wages and the price elasticity of prescription drugs.
History
Journal
Journal of economic surveysVolume
24Issue
1Pagination
170 - 191Publisher
Wiley - Blackwell Publishing Ltd.Location
Oxford, EnglandPublisher DOI
ISSN
0950-0804eISSN
1467-6419Language
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2009, Blackwell Publishing LtdUsage metrics
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