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Spotlight on researcher decisions – Infrastructure evaluation, instrumental variables, and first-stage specification screening

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  • Ankel-Peters, Jörg
  • Vance, Colin
  • Bensch, Gunther

Abstract

This paper revisits the instrumental variable (IV) approach in Lipscomb et al. (2013, 2021) to study the impacts of electrification. We first identify errors in the construction of the dataset, including the modelled IV. Revised estimates on main outcomes and mechanisms are statistically insignificant, with substantially lower effect sizes. We second develop a framework that accounts for weak IVs and discourages specification screening. We find that most theoretically justified specifications in the Lipscomb et al. (2013, 2021) data deliver insignificant results. The proposed framework is transferable to other IV applications to reduce potential bias stemming from researcher’s or replicator’s discretion.

Suggested Citation

  • Ankel-Peters, Jörg & Vance, Colin & Bensch, Gunther, 2022. "Spotlight on researcher decisions – Infrastructure evaluation, instrumental variables, and first-stage specification screening," OSF Preprints sw6kd, Center for Open Science.
    • Handle: RePEc:osf:osfxxx:sw6kd
    DOI: 10.31219/osf.io/sw6kd
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