sale. Considering that each item’s quality decreases while it sits on the shelf, the retailer chooses how long to display …’s age and associated quality; without timestamps, they decide based on the average quality of purchased items. Our first … quantity and quality of donated items …

quality attributes. Because there is no compelling argument for a multiplicativity in quality, monopolists tend to distort … durability, even with constant marginal costs. Distortions in durability and other quality aspects are aligned exactly when the … marginal cost of quality do not increase too much with durability. …

quality innovations at low costs, whereas investment outlays have to be financed by external capital. We show that the scope … frictions intensify quality-based (cost-based) sorting of firms if the scope for vertical product differentiation is high (low …