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Path Dependency in Physician Decisions
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DOI：10.1093/restud/rdad096.png)
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Abstract
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We examine path dependency in physician decisions in an emergency department setting, and find that physicians' treatment decisions for the current and previous patients are positively correlated. We show that the positive autocorrelation is higher when the current patient is of greater medical uncertainty or more similar to the previous patient in terms of observed characteristics and when the physician is less experienced or more fatigued. We then show that these patterns are highly consistent with the memory and attention model, whereby the physician's current decision is anchored to her previous decision. The results from both reduced-form analyses and structural estimations provide further support for the importance of memory and attention in physician decision-making.
Keywords:
Physician decision
Path dependency
Memory
Attention
Anchoring and adjustment
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