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Two-sided platforms and biases in technology adoption

Choi, Jay Pil; Jeon, Doh-Shin - 2020

We investigate the relationship between market structure and platforms' incentives to adopt technological innovations in two-sided markets, where platforms may find it optimal to charge zero price on the consumer side and to extract surplus on the advertising side. We consider innovations that...

Persistent link: https://www.econbiz.de/10012288007

Patent pools, litigation and innovation

Choi, Jay Pil; Gerlach, Heiko A. - 2013

This paper analyzes patent pools and their effects on innovation incentives. It is shown that the pro …-competitive effects of patent pools for complementary patents naturally extend for dynamic innovation incentives. However, this simple … patents reduce social welfare as they charge higher licensing fees and chill subsequent innovation incentives. …

Persistent link: https://www.econbiz.de/10010199442

FRAND royalties and injunctions for standard essential patents

Choi, Jay Pil - 2014

I develop a stylized model of court procedures that resolve disputes concerning FRAND-encumbered standard essential patents (SEPs). I analyze the effects of injunctions and potential court-imposed FRAND rates on negotiated royalty rates. The SEP-holders' ability to hold-up is constrained by the...

Persistent link: https://www.econbiz.de/10010418280

Asymmetric neutrality regulation and innovation at the edges : fixed vs. mobile networks

Choi, Jay Pil; Jeon, Doh-Shin; Kim, Byung-Cheol - 2014

We study how net neutrality regulations affect a high-bandwidth content provider's (CP) investment incentives in quality of services (QoS). We find that the effects crucially depend on network capacity levels. With limited capacity, as in mobile networks, prioritized delivery services are...

Persistent link: https://www.econbiz.de/10010412363

Market structure, incentive to patent and the pace of innovation

Choi, Jay Pil - In: Economics letters 34 (1990) 3, pp. 277-283

Persistent link: https://www.econbiz.de/10001096927

Sequential innovation, naked exclusion, and upfront lump-sum payments

Choi, Jay Pil; Stefanadis, Christodoulos - 2017

We present a potentially benign naked exclusion mechanism that can be applied to sequential innovation; a non …-patentable original innovation by the incumbent supplier fosters derivative innovation by rivals. In the absence of an appropriate legal … innovator. The former ban precludes the exclusion of socially beneficial derivative innovation by causing the incumbent supplier …

Persistent link: https://www.econbiz.de/10011637645

International antitrust enforcement and multi-market contact

Choi, Jay Pil; Gerlach, Heiko A. - 2009

This paper analyzes international antitrust enforcement when multinational firms operate in several markets with antitrust authorities in each market. We are concerned with how the sustainability of collusion in one local market is affected by the existence of collusion in other markets when...

Persistent link: https://www.econbiz.de/10003824697

Multi-market collusion with demand linkages and antitrust enforcement

Choi, Jay Pil; Gerlach, Heiko A. - 2009

This paper analyzes dynamic cartel formation and antitrust enforcement when firms operate in demand-related markets. We show that cartel prosecution can have a knock-on effect: desisting a cartel in one market reduces profits and cartel stability and leads to the break-up of the cartel in the...

Persistent link: https://www.econbiz.de/10003850139

Global cartels, leniency programs and international antitrust cooperation

Choi, Jay Pil; Gerlach, Heiko A. - 2010

In this paper we analyze cartel formation and self-reporting incentives when firms operate in several geographical markets and face antitrust enforcement in different jurisdictions. We are concerned with the effectiveness of leniency programs and the benefits of international antitrust...

Persistent link: https://www.econbiz.de/10003955227

Tying in two-sided markets with multi-homing

Choi, Jay Pil (contributor) - 2007

Persistent link: https://www.econbiz.de/10003597978