Perceived urgency and regret are common in many sequential search processes; for example, sellers often pressure buyers … in search of the best offer, both time-wise and in terms of potential regret of forgoing unique purchasing opportunities …. Theoretically, these strategies result in anticipated and experienced regret, which systematically affect search behavior and …

, known knowns, using Lasso and OCMT, and approximating unobserved latent factors, known unknowns, by various means. This …