Paralyzed by Fear: Rigid and Discrete Pricing under Demand Uncertainty 5905 View more insights in Social Sciences - Economics - Econometrics View more figures from Boston College View the page of Rosen Valchev · Rosen Valchev discusses a new theory of price rigidity based on firms’ Knightian uncertainty about their competitive environment. Read the Study Image courtesy of interviewee. March 22, 2022