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We study the welfare implications of the rise of common ownership in the United States from 1994 to 2018. We build a general equilibrium model with a hedonic demand system in which firms compete in a network game of oligopoly. Firms are connected through two large networks: the first reflects...
Persistent link: https://www.econbiz.de/10013191098
Many economic activities are embedded in networks: sets of agents and the (often) rivalrous relationships connecting them to one another. Input sourcing by firms, interbank lending, scientific research, and job search are four examples, among many, of networked economic activities. Motivated by...
Persistent link: https://www.econbiz.de/10012480521
The adoption and diffusion of inputs in the production network is at the heart of technological progress. What determines which inputs are initially considered and eventually adopted by innovators? We examine the evolution of input linkages from a network perspective, starting from a stylized...
Persistent link: https://www.econbiz.de/10012458639
We develop a quantitative theory of prices in firm-to-firm trade with bilateral negotiations and two-sided market power. Markups reflect oligopoly and oligopsony forces, with relative bargaining power as weight. Cost pass-through elasticities into import prices can be incomplete or complete,...
Persistent link: https://www.econbiz.de/10014287354
We study why high-priced acquisitions of entrants by an incumbent do not necessarily stimulate more innovation and …
Persistent link: https://www.econbiz.de/10012481729
Digitization raises a variety of important academic and managerial questions around firm strategies and public policies …-sharing. At the same time, digitization has created many new opportunities to empirically analyze these questions by leveraging …In this chapter we describe the open "big picture" questions related to digitization and the copyright industries, and …
Persistent link: https://www.econbiz.de/10012459027
We estimate the demand for a videocalling technology in the presence of both network effects and heterogeneity. Using a unique dataset from a large multinational firm, we pose and estimate a fully dynamic model of technology adoption. We propose a novel identification strategy based on...
Persistent link: https://www.econbiz.de/10012461404
As it becomes cheaper to copy and share digital content, vendors are turning to technical protections such as encryption. We argue that if protection is nevertheless imperfect, this transition will generally lower the prices of content relative to perfect legal enforcement. However, the effect...
Persistent link: https://www.econbiz.de/10012467145
In this paper we examine the importance of local spillovers such as network externalities and learning from others in the diffusion of home computers using data on 110,000 U.S. households in 1997. Controlling for many individual characteristics, we find that people are more likely to buy their...
Persistent link: https://www.econbiz.de/10012471455
We examine the role of network effects in the demand for pharmaceuticals at both the brand level and for a therapeutic class of drugs. These effects emerge when use of a drug by others conveys information about its efficacy and safety to patients and physicians. This can lead to herd behavior...
Persistent link: https://www.econbiz.de/10012471776