NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Sequential Bargaining in the Field: Evidence from Millions of Online Bargaining Interactions

Matthew Backus, Thomas Blake, Bradley Larsen, Steven Tadelis

NBER Working Paper No. 24306
Issued in February 2018

---- Acknowledgments ----

We are grateful to eBay for allowing us to make the data used herein accessible and publicly available. This data can be accessed at https://www.nber.org/data/bargaining.html or by contacting the authors. We thank Luis Cabral, Peter Cramton, Emin Karagozoglu, Saul Lach, and Axel Ockenfels for thoughtful comments. We thank Brenden Eum, Ziao Ju, Rebecca Li, and Caio Waisman for outstanding research assistance. Part of this research was supported by NSF Grant SES-1629060. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

---- Disclosure of Financial Relationships for Matthew Backus ----

Matt Backus has in the past been a paid consulting researcher for eBay Inc.

---- Disclosure of Financial Relationships for Thomas Blake ----

The views expressed herein are those of the authors and do not necessarily reflect the views of their employers, eBay, or the National Bureau of Economic Research.

---- Disclosure of Financial Relationships for Bradley Larsen ----

This research was completed while I maintained a relationship with eBay Research (as a postdoctoral research, then as a paid consultant, then as an unpaid consultant). eBay did not at any time attempt to influence the outcome of the research.

---- Disclosure of Financial Relationships for Steven Tadelis ----

eBay Inc, operator of ebay.com, has provided access to the data that is the basis of this study and agreed to make the data public.

For academic years 2011-2012 and 2012-2013 I was a full-time research scientist with eBay Research Labs. At the end of that period I continued on as a consultant, with continued data access and a significant financial relationship through March 2016.

EBay’s legal team reviewed the output of our research to ensure that public release would not breach customer’s privacy or eBay’s obligation to shareholders.

Though eBay has a material interest in understanding consumer behavior, we do not believe this imposed a conflict of interest that would have affected our results or the course of our research.

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