damage quality when information is poor. Evidence on whether this fear is well-founded is scarce. We provide evidence using a … research that has relied on indicators of the quality of urgent treatments, we take advantage of the plausible absence of … selection bias in our setting to identify the effect on quality of non-acute hip replacements. Using administrative data on all …

Firms signal high quality through high prices even if the market structure is highly competitive and price competition … is severe. In a symmetric Bertrand oligopoly where products may differ only in their quality, production cost is … increasing in quality and the quality of each firm’s product is private information (not known to consumers or to other firms …

We consider an oligopolistic market where firms compete in price and quality and where consumers are heterogeneous in … knowledge: some consumers know both the prices and quality of the products offered, some know only the prices and some know …-inefficiency of the price/quality offers. But, better price/quality combinations are signalled with lower prices in one type and with …

, benefits all patients. It enables rich patients to obtain higher quality treatment in the private sector. Because the … altruistic physicians infer that in their absence, NHS patients receive lower treatment quality than private sector patients …

defined insurance and non-insurance markets based on the initial loss size, we develop theory to show that insurers with buyer … our theory and find support. Monopolistic insurer-subjects in non-insurance markets increase loss sizes to establish …

We investigate the impacts of five airline mergers on one quality dimension, namely route frequency. We use monthly … quality and price setting. For the market structure effect, we use two distinct set-ups. In the first set-up, the effects of …