Recently, reinforcement has been identified as an important driver of stock repurchasing decisions. We enrich the existing reinforcement model of repurchasing by an aspiration-based market benchmark. Reinforcement relative to an adaptive benchmark is a well-established model of behavior in...

We demonstrate the estimation biases that arise when stock returns from 12 month prior and 2 month prior are included within intermediate and recent past momentum profits. These biases lead to an overestimation of intermediate past momentum but an underestimation of recent past momentum in the...