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Optimal Design of Market Access

By Takuro Yamashita and Shuguang Zhu

American Economic Journal: Microeconomics

We study a data provider’s problem of optimally designing and selling marketing lists that enable a retailer with private types to access consumers with heterogeneous characteristics. When virtual values satisfy a particular form of convexity (named bo...

Information and the Formation of Inflation Expectations by Firms: Evidence from a Survey of Israeli Firms

By Yuriy Gorodnichenko, Ari Kutai, and Rafi Melnick

American Economic Journal: Macroeconomics

We analyze how firms form their inflation expectations after a regime change in monetary policy and a transition to a low-inflation environment. Utilizing the Bank of Israel’s survey of firms, we document the basic properties of firms’ inflation expec...

Screening Adaptive Cartels

By Juan Ortner, Sylvain Chassang, and Kei Kawai

American Economic Review: Insights

We propose an equilibrium theory of data-driven antitrust oversight in which regu- lators launch investigations on the basis of suspicious bidding patterns and cartels can adapt to the statistical screens used by regulators. Our main result establishes ...

Health Sector Structural Change

By Nick Pretnar and Maria Feldman

American Economic Journal: Macroeconomics

The U.S. health-services sector has grown both in terms of its expenditure share and relative price. Using a two-sector general equilibrium model with monopolistic competition and endogenous population, we find that relative price growth is almost enti...

The Effects of Sin Taxes and Advertising Restrictions in a Dynamic Equilibrium

By Rossi Abi-Rafeh, Pierre Dubois, Rachel Griffith, and Martin O’Connell

American Economic Journal: Microeconomics

We develop a dynamic equilibrium model of firm competition to analyze the effects of counterfactual policies, such as taxes and advertising restrictions, on pricing, advertising, consumption, and welfare. Using micro-level data, we estimate how consume...

Exploiting Rivals’ Strengths

By Giacomo Calzolari and Vincenzo Denicolò

American Economic Journal: Microeconomics

We analyze oligopolistic competition in which firms use contracts contingent on what buyers purchase from their rivals. We present a new mechanism through which a dominant firm, by using these contracts, can gain more from exploiting its rivals than fr...