L51 - Economics of Regulation
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Competition for Exclusivity and Customer Lock-in: Evidence from Copyright Enforcement in China
This paper studies the music streaming industry and argues that having exclusive rights granted by copyright law drives firms to offer exclusive content to lock in customers. I employ theoretical and descriptive empirical analysis, along with a dynamic structural model, to support the argument and explore policies for improving competition. -
Addictive Platforms
We study competition for consumer attention, in which platforms can sacrifice service quality for attention. A platform can choose the “addictiveness” of its service. -
Flight from Safety: How a Change to the Deposit Insurance Limit Affects Households’ Portfolio Allocation
Deposit insurance protects depositors from failing banks, thus making insured deposits risk-free. When a deposit insurance limit is increased, some deposits that previously were uninsured become insured, thereby increasing the share of risk-free assets in households’ portfolios. This increase cannot simply be undone by households, because to invest in uninsured deposits, a household must first invest in insured deposits up to the limit. This basic insight is the starting point of the analysis in this paper. -
On the Essentiality of E-Money
Recent years have witnessed the advances of e-money systems such as Bitcoin, PayPal and various forms of stored-value cards. This paper adopts a mechanism design approach to identify some essential features of different payment systems that implement and improve the constrained optimal resource allocation. -
E-Money: Efficiency, Stability and Optimal Policy
What makes e-money more special than cash? Is the introduction of e-money necessarily welfare enhancing? Is an e-money system necessarily stable? What is the optimal way to design an efficient and stable e-money scheme? -
Some Economics of Private Digital Currency
This paper reviews some recent developments in digital currency, focusing on platform-sponsored currencies such as Facebook Credits.