The widespread availability of digital technologies has made mandatory price disclosure policies (MPD) a convenient … tool for policymakers to increase price transparency and foster competition. The literature has shown that these can …

price information to consumers depends on how well informed they are beforehand. Theoretically, an increase in consumer … information decreases prices more, the fewer ex ante informed consumers there are. Empirically, we study mandatory price …

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