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

Jörg Peters, Colin Vance and Gunther Bensch

No sw6kd, OSF Preprints from Center for Open Science

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.

Date: 2022-11-10
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Persistent link: https://EconPapers.repec.org/RePEc:osf:osfxxx:sw6kd

DOI: 10.31219/osf.io/sw6kd

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