Market Fragmentation and Contagion

2020 ◽  
Author(s):  
Rohit Rahi ◽  
Jean-Pierre Zigrand
Keyword(s):  
Author(s):  
Stewart Mayhew ◽  
Lawrence Harris
Keyword(s):  

Author(s):  
Walter Mattli ◽  
Miles Kellerman

Advances in telecommunication technology in the nineteenth century encouraged greater centralization of liquidity on single, dominant exchanges in most major industrialized countries. Electronic trading, in contrast, has precipitated increased market fragmentation, creating a host of new regulatory dilemmas. In an attempt to understand this phenomenon, this chapter proposes a two-stage process of market structural development in response to electronic trading. This process is then examined in equities and foreign exchange markets. Despite significant differences between these two asset classes, they have exhibited a remarkably similar pattern of disintermediation followed by reintermediation. This analysis is followed by a survey of recent regulatory approaches to mitigate the negative externalities associated with electronic trading. It concludes with a brief discussion on the future of market fragmentation and centralization in global capital markets.


2009 ◽  
Author(s):  
Ted Schmidt ◽  
Christian Malouin ◽  
Xing Pan ◽  
Jin Hong
Keyword(s):  

2021 ◽  
pp. 161-164
Author(s):  
Eric A. Posner

Many people are worried about the fragmentation of labor markets, as firms replace employees with independent contractors. Another common worry is that low-skill work, and ultimately nearly all forms of work, will be replaced by robots as artificial intelligence advances. Labor market fragmentation is not a new phenomenon and can be addressed with stronger classification laws supplemented by antitrust enforcement. In fact, the gig economy has many attractive elements, and there is no reason to fear it as long as existing laws are enforced. Over the long run, artificial intelligence may replace much of the work currently performed by human beings. If it does, the appropriate response is not antitrust or employment regulation but policy that ensures the social surplus is fairly divided.


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