NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Amir Kermani

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Working Papers

June 2016The Value of Trading Relationships in Turbulent Times
with Marco Di Maggio, Zhaogang Song: w22332
This paper investigates the ways in which the network of relationships between dealers shapes their trading behavior in the corporate bond market. They charge lower spreads to dealers with whom they have the strongest ties, and this effect is all the more pronounced at times of market turmoil. Moreover, highly connected and systemically important dealers exploit their connections at the expense of peripheral dealers as well as clients, charging higher markups than to other core dealers, especially during periods of uncertainty. We show that following the collapse of a flagship dealer in 2008, trading chains lengthened by almost 20 percent and that the increase was even greater for the institutions that had the closest ties with the defaulted dealer. Finally, we find evidence that dealers d...
December 2013The Value of Connections in Turbulent Times: Evidence from the United States
with Daron Acemoglu, Simon Johnson, James Kwak, Todd Mitton: w19701
The announcement of Timothy Geithner as nominee for Treasury Secretary in November 2008 produced a cumulative abnormal return for financial firms with which he had a connection. This return was about 6% after the first full day of trading and about 12% after ten trading days. There were subsequently abnormal negative returns for connected firms when news broke that Geithner's confirmation might be derailed by tax issues. Excess returns for connected firms may reflect the perceived impact of relying on the advice of a small network of financial sector executives during a time of acute crisis and heightened policy discretion.

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