We study consumer response towards sponsored search advertising and how to improve advertising performance on a large e … suggest that consumers dislike search advertising in our setting, but quality certificates mitigate this aversion and increase … advertising sales …

nondiscrimination regulation that forces the ISP to provide an equal quality upgrade to both CPs, however, can reduce the ISP …

externality on the rest of the world as it induces entry of high-quality firms, but unilateral regulation lowers the terms of … formulation to quantify the welfare consequences of imposing the optimal regulation, the extent of the positive externalities …

This paper develops a theory of oligopoly and markups in general equilibrium. Firms compete in a network of product …

advertising to acquire new customers and thereby shift demand and increase sales. In the second, they use temporarily low markups … to do so. The marketing and advertising model fits the quantity and markup moments well, and implies that successful …

We develop a dynamic regulation game for a stock externality under asymmetric information and future market uncertainty …. Within this framework, regulation is characterized as the implementation of a welfare-maximization program conditional on …-consistent policy rules that implement the stochastic first best as long as a future market exists. We apply our theory to carbon …

In this paper, we study regulation of externalities involving many small-scale polluters, where the damages from … such regulations should be designed and combined. We find that the optimal regulation design crucially depends on the type … technology regulation encourages cleaner technologies in high damage areas, but discourages their use in low damage areas …