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, information networks and intellectual property, and social influence. -- Survey ; network economics ; network industries ; network … effects ; network externalities …
Persistent link: https://www.econbiz.de/10008658443
, information networks and intellectual property, and social influence …
Persistent link: https://www.econbiz.de/10013069905
Industry concentration and corporate profit rates have increased, in the United States, over the past two decades. This paper investigates the welfare implications of economic activity concentrating within a few firms that hold market power. I develop a general equilibrium model that features...
Persistent link: https://www.econbiz.de/10012850232
We consider a monopoly that sets a price and differentiated referral fees to spread product information along a simple consumer communication network (a chain). The profit-maximizing solution involves standard monopoly pricing and referral fees that provide consumers with strictly positive...
Persistent link: https://www.econbiz.de/10013043952
IBM. ATT. Microsoft. Intel. IBM (redux). Google. Twitter. Facebook. All are present or former leaders in key high-tech sectors. These firms also all have been the subject of serious antitrust scrutiny over the past three decades. All have been referred to at different times as “monopolies”...
Persistent link: https://www.econbiz.de/10014176308
In dealing with telecom operator and internet mergers in the late 1990s the European Commission adopted a pessimistic view of competition based on the then emerging theory of network effects. This paper takes a short and critical look at the Commission's use of network effects theory, and its...
Persistent link: https://www.econbiz.de/10014186182
This paper evaluates the impact of idiosyncratic productivity shocks to individual firms on aggregate output. Two sources of firm-level heterogeneity contribute to aggregate fluctuations: (i) asymmetries in supplier-buyer relationships and (ii) the skewed distribution of sales to final demand....
Persistent link: https://www.econbiz.de/10011635061
The Covid-19 epidemic highlighted the significance of externalities: contacts with other people do not only affect our … chances of getting infected but also our entire network. We introduce a model for coalitional network stability in networks … with widespread externalities. The network function form generalises the partition function form of cooperative games in …
Persistent link: https://www.econbiz.de/10012253697
Persistent link: https://www.econbiz.de/10010387906
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