What question did this study set out to answer?

The aim is to explore how omitted variable bias relates to coefficient stability in empirical studies.

Unobservable Selection and Coefficient Stability: Theory and Evidence

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New theory links omitted variable bias and coefficient stability, suggesting implications for economics research.

The aim is to explore how omitted variable bias relates to coefficient stability in empirical studies.
Development of a theoretical framework connecting bias and coefficient movements.
Conducting validation exercises to assess theoretical implications.
Application and discussion of findings in the context of economics literature.
Demonstrated that coefficient and R-squared movements are crucial for understanding omitted variable bias.
Validation exercises confirm the theoretical predictions.
Findings highlight the need for careful coefficient stability evaluations in empirical research.

Emily Oster (2016) studied this question.

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