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Publication Bias and Editorial Statement on Negative Findings

Author

Listed:
  • Cristina Blanco-Perez

    (Department of Economics, University of Ottawa, Ottawa, ON)

  • Abel Brodeur

    (Department of Economics, University of Ottawa)

Abstract

In February 2015, the editors of eight health economics journals sent out an editorial statement which aims to reduce the extent of specification searching and reminds referees to accept studies that: “have potential scientific and publication merit regardless of whether such studies' empirical findings do or do not reject null hypotheses". Guided by a pre-analysis, we test whether the editorial statement decreased the extent of publication bias. Our differences-in-differences estimates suggest that the statement decreased the proportion of tests rejecting the null hypothesis by 18 percentage points. Our findings suggest that incentives may be aligned to promote more transparent research.

Suggested Citation

  • Cristina Blanco-Perez & Abel Brodeur, 2019. "Publication Bias and Editorial Statement on Negative Findings," Working Papers 1907E, University of Ottawa, Department of Economics.
    • Handle: RePEc:ott:wpaper:1907e
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    JEL classification:

    • A11 - General Economics and Teaching - - General Economics - - - Role of Economics; Role of Economists
    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General
    • C44 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Operations Research; Statistical Decision Theory
    • I10 - Health, Education, and Welfare - - Health - - - General

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