We develop a model of advertising markets in an environment where consumers may switch (or “multi-home”) across publishers. Consumer switching generates inefficiency in the process of matching advertisers to consumers, because advertisers may not reach some consumers and may impress others...

We study the value of information on the quality of legal services by analyzing the incentives of litigants to hire high-quality lawyers and the effect of legal representation on the decision-making behaviour of adjudicators.In a setting where adjudicators have reputational concerns and where...