We extend the theory of advertising as a quality signal, using a model where an entrant can choose to advertise by … comparing its product to that of an established incumbent. Comparative advertising, comparing quality of one’s own product to …

that these services differ in various quality measures, such as bandwidth, content, or failure rates. For the firms, the … provision of high-quality services is more costly than the provision of low-quality services. Conversely, consumers have a … selecting the optimal service quality. While carefully recognizing the technological, legal and economic framework, I have …

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 …

health care system is to encourage providers to keep costs down without skimping on quality. The purpose of this paper is to … analyse the effect of price regulation and free choice on quality in physiotherapy organised by the Social Insurance … effect of the regulation and for this task we have defined the regulated and non-regulated firms and their quality before and …

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 …

General Practitioners (GP) have limited means to compete. As quality is hard to observe by patients, GPs have … incentives to signal quality by using instruments patients perceive as quality. …