Lauren Cohen

Harvard Business School

L.E. Simmons Chaired Professor of Business Administration

Rock Center 321

Soldiers Field

Boston, MA 02163

United States

http://www.people.hbs.edu/lcohen

National Bureau of Economic Research (NBER)

Research Associate

1050 Massachusetts Avenue

Cambridge, MA 02138

United States

SCHOLARLY PAPERS

44

DOWNLOADS
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Top 1,713

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17,609

CITATIONS
Rank 913

SSRN RANKINGS

Top 913

in Total Papers Citations

585

Scholarly Papers (44)

1.
Downloads 5,552 ( 1,196)

Lazy Prices

2019 Academic Research Colloquium for Financial Planning and Related Disciplines
Number of pages: 90 Posted: 14 Aug 2010 Last Revised: 28 Mar 2019
Harvard Business School, Harvard Business School and DePaul University
Downloads 5,463 (1,215)

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Information, predictable returns, annual reports, inattention, lazy investors

Lazy Prices

NBER Working Paper No. w25084
Number of pages: 90 Posted: 24 Sep 2018
Harvard Business School, Harvard Business School and DePaul University
Downloads 89 (281,962)
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Patent Trolls: Evidence from Targeted Firms

Harvard Business School Finance Working Paper No. 15-002
Number of pages: 86 Posted: 21 Jun 2018
Lauren Cohen, Umit Gurun and Scott Duke Kominers
Harvard Business School, University of Texas at Dallas and Harvard University
Downloads 2,383 (5,069)

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Patent trolls, NPEs, PAEs, Innovation, Patents

Patent Trolls: Evidence from Targeted Firms

NBER Working Paper No. w20322
Number of pages: 70 Posted: 11 Aug 2014 Last Revised: 01 Jul 2015
Lauren Cohen, Umit Gurun and Scott Duke Kominers
Harvard Business School, University of Texas at Dallas and Harvard University
Downloads 29 (473,929)

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3.
Downloads 976 ( 21,823)
Citation 14

Do Powerful Politicians Cause Corporate Downsizing?

Number of pages: 59 Posted: 30 Jun 2009 Last Revised: 05 Apr 2016
Harvard Business School, Harvard Business School - Finance Unit and Harvard Business School
Downloads 936 (22,753)
Citation 14

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government spending, seniority, corporate behavior, investment, earmarks

Do Powerful Politicians Cause Corporate Downsizing?

NBER Working Paper No. w15839
Number of pages: 47 Posted: 29 Mar 2010 Last Revised: 30 Mar 2010
Harvard Business School, Harvard Business School - Finance Unit and Harvard Business School
Downloads 40 (423,714)
Citation 14

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4.

Complicated Firms

AFA 2011 Denver Meetings Paper
Number of pages: 49 Posted: 15 Mar 2010 Last Revised: 19 Apr 2016
Lauren Cohen and Dong Lou
Harvard Business School and London School of Economics & Political Science (LSE)
Downloads 936 (23,156)
Citation 16

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Complicated trades, return predictability, stand alone, conglomerate, market frictions

5.
Downloads 841 ( 27,081)
Citation 63

Sell Side School Ties

Harvard Business School Finance Working Paper No. 08-074
Number of pages: 39 Posted: 20 Feb 2008 Last Revised: 08 Apr 2016
Harvard Business School, AQR Capital Management, LLC and Harvard Business School
Downloads 734 (32,145)
Citation 63

Abstract:

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Social networks, connections, analysts, directors

Sell Side School Ties

NBER Working Paper No. w13973
Number of pages: 45 Posted: 12 May 2008 Last Revised: 07 Sep 2010
AQR Capital Management, LLC, Harvard Business School and Harvard Business School
Downloads 107 (249,020)
Citation 63

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6.

Supply and Demand Shifts in the Shorting Market

EFA 2005 Moscow Meetings Paper
Number of pages: 49 Posted: 08 Jul 2005 Last Revised: 05 Apr 2016
Harvard Business School, Independent and Harvard Business School
Downloads 725 (33,204)
Citation 76

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Short selling, stock lending, short sale constraints

7.
Downloads 608 ( 42,017)

Cloaked Trading

Journal of Investment Consulting, Vol. 17, No. 2, 2016
Number of pages: 15 Posted: 20 Jan 2017 Last Revised: 28 Jan 2017
Lauren Cohen, Dong Lou and Christopher J. Malloy
Harvard Business School, London School of Economics & Political Science (LSE) and Harvard Business School
Downloads 351 (82,077)

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Strategic Trading, Information, Asset Management, Investment

Cloaked Trading

Journal of Investment Consulting, Vol. 17, No. 2, p. 69-80, 2016
Number of pages: 15 Posted: 07 Feb 2017
Lauren Cohen, Dong Lou and Christopher J. Malloy
Harvard Business School, London School of Economics & Political Science (LSE) and Harvard Business School
Downloads 257 (115,549)

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Playing Favorites: How Firms Prevent the Revelation of Bad News

Number of pages: 74 Posted: 13 Aug 2014 Last Revised: 24 Mar 2019
Lauren Cohen, Dong Lou and Christopher J. Malloy
Harvard Business School, London School of Economics & Political Science (LSE) and Harvard Business School
Downloads 527 (49,978)

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information, strategic release, firms, asset pricing, conference calls

Playing Favorites: How Firms Prevent the Revelation of Bad News

NBER Working Paper No. w19429
Number of pages: 61 Posted: 14 Sep 2013
Lauren Cohen, Dong Lou and Christopher J. Malloy
Harvard Business School, London School of Economics & Political Science (LSE) and Harvard Business School
Downloads 60 (353,723)

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Playing Favorites: How Firms Prevent the Revelation of Bad News

CEPR Discussion Paper No. DP12302
Number of pages: 54 Posted: 20 Sep 2017
Lauren Cohen, Dong Lou and Christopher J. Malloy
Harvard Business School, London School of Economics & Political Science (LSE) and Harvard Business School
Downloads 1 (665,210)
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9.

Economic Links and Predictable Returns

Number of pages: 46 Posted: 06 Apr 2016
Lauren Cohen and Andrea Frazzini
Harvard Business School and AQR Capital Management, LLC
Downloads 578 (44,931)
Citation 79

Abstract:

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G10, G11, G14

IQ from IP: Simplifying Search in Portfolio Choice

8th Miami Behavioral Finance Conference 2017
Number of pages: 56 Posted: 18 Sep 2017 Last Revised: 20 Apr 2019
Harvard Business School - Finance Unit, Harvard Business School, University of Texas at Dallas, London School of Economics & Political Science (LSE) and Harvard Business School
Downloads 536 (49,001)

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Tracked trades, Return predictability, Institutional trading, Insider trading

IQ from Ip: Simplifying Search in Portfolio Choice

NBER Working Paper No. w24801
Number of pages: 56 Posted: 16 Jul 2018 Last Revised: 24 Jul 2018
Harvard Business School - Finance Unit, Harvard Business School, University of Texas at Dallas, London School of Economics & Political Science (LSE) and Harvard Business School
Downloads 10 (591,702)
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11.

Misvaluing Innovation

AFA 2012 Chicago Meetings Paper
Number of pages: 56 Posted: 15 Mar 2011 Last Revised: 19 Apr 2016
Harvard Business School, Independent and Harvard Business School
Downloads 354 (81,905)
Citation 7

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Innovation, track records, return predictability, patents, asset pricing

12.

The Small World of Investing: Board Connections and Mutual Fund Returns

NBER Working Paper No. w13121
Number of pages: 55 Posted: 27 Jun 2007 Last Revised: 15 Aug 2007
AQR Capital Management, LLC, Harvard Business School and Harvard Business School
Downloads 354 (81,905)
Citation 135

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13.

Decoding Inside Information

NBER Working Paper No. w16454
Number of pages: 51 Posted: 18 Oct 2010 Last Revised: 19 Oct 2010
Harvard Business School, Harvard Business School and AQR Capital Management, LLC
Downloads 332 (88,134)
Citation 18

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14.

Empirical Evidence on the Behavior and Impact of Patent Trolls: A Survey

Number of pages: 29 Posted: 27 Dec 2015
Lauren Cohen, Umit Gurun and Scott Duke Kominers
Harvard Business School, University of Texas at Dallas and Harvard University
Downloads 259 (115,162)

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Patent trolls, NPEs, PAEs, Innovation, Patents

15.

Industry Window Dressing

Number of pages: 78 Posted: 06 Apr 2016
Huaizhi Chen, Lauren Cohen and Dong Lou
Harvard Business School - Finance Unit, Harvard Business School and London School of Economics & Political Science (LSE)
Downloads 255 (117,027)
Citation 1

Abstract:

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Industry window dressing, opportunistic management, discontinuity, favorable industries

16.

Mini West Virginias: Corporations as Government Dependents

Number of pages: 34 Posted: 07 Apr 2016
Lauren Cohen and Christopher J. Malloy
Harvard Business School and Harvard Business School
Downloads 252 (118,521)

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Government Spending, Customers, Investment, R&D

17.

Who Chooses Board Members?

Advances in Financial Economics, Forthcoming, FIRN Research Paper
Number of pages: 39 Posted: 11 Aug 2013 Last Revised: 05 Apr 2016
Ali C. Akyol and Lauren Cohen
University of Melbourne - Department of Finance and Harvard Business School
Downloads 237 (126,047)

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corporate directors, executive search firms, governance, SEC regulation

18.
Downloads 233 (128,262)

Buying the Verdict

Number of pages: 55 Posted: 29 Jun 2017 Last Revised: 09 Feb 2018
Lauren Cohen and Umit Gurun
Harvard Business School and University of Texas at Dallas
Downloads 226 (131,735)

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Litigation, Advertising, Verdict, Jury Influence, Corporate Response

Buying the Verdict

NBER Working Paper No. w24542
Number of pages: 55 Posted: 23 Apr 2018
Lauren Cohen and Umit Gurun
Harvard Business School and University of Texas at Dallas
Downloads 7 (611,492)
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19.

Economic Links and Predictable Returns Appendix

Number of pages: 13 Posted: 08 Apr 2016
Lauren Cohen and Andrea Frazzini
Harvard Business School and AQR Capital Management, LLC
Downloads 206 (144,382)
Citation 78

Abstract:

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Economic links, customers, suppliers, inattention

20.

Resident Networks and Corporate Connections: Evidence from World War II Internment Camps

Number of pages: 80 Posted: 21 Dec 2013 Last Revised: 24 Nov 2016
Lauren Cohen, Umit Gurun and Christopher J. Malloy
Harvard Business School, University of Texas at Dallas and Harvard Business School
Downloads 173 (169,337)

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Information networks, trade links, firm behavior

21.

The Impact of Forced Migration on Modern Cities: Evidence from 1930s Crop Failures

Number of pages: 95 Posted: 25 Apr 2016 Last Revised: 27 Nov 2016
Harvard Business School, Harvard Business School and DePaul University
Downloads 159 (182,111)

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Migration, Unions, Dust Bowl, Urban Development

22.

Hiring Cheerleaders: Board Appointments of "Independent" Directors

NBER Working Paper No. w14232
Number of pages: 46 Posted: 18 Aug 2008 Last Revised: 14 Apr 2010
Harvard Business School, AQR Capital Management, LLC and Harvard Business School
Downloads 159 (182,111)
Citation 14

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23.

Shielded Innovation

Number of pages: 39 Posted: 07 Apr 2016
Lauren Cohen, Umit Gurun and Scott Duke Kominers
Harvard Business School, University of Texas at Dallas and Harvard University
Downloads 145 (196,580)

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Patent Trolls, NPEs, PAEs, Innovation, Patents

24.

Legislating Stock Prices

NBER Working Paper No. w18291
Number of pages: 52 Posted: 10 Aug 2012
Harvard Business School, Independent and Harvard Business School
Downloads 144 (197,667)

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25.

Friends in High Places

NBER Working Paper No. w16437
Number of pages: 57 Posted: 12 Oct 2010
Lauren Cohen and Christopher J. Malloy
Harvard Business School and Harvard Business School
Downloads 126 (219,778)
Citation 6

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26.

Revisiting Fundamental Indexation: A Deep Dive into Revenue

Number of pages: 33 Posted: 14 Mar 2019
Harvard Business School, OppenheimerFunds, Harvard Business School and OppenheimerFunds
Downloads 84 (289,938)

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Fundamental Indexation, Revenue, Smart Beta

27.

Sell Side School Ties: Internet Appendix

Number of pages: 20 Posted: 08 Apr 2016
Harvard Business School, AQR Capital Management, LLC and Harvard Business School
Downloads 79 (300,728)
Citation 59

Abstract:

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Social networks, connections, analysts, directors

28.

Management Science Online Appendix Tables: Hiring Cheerleaders: Board Appointments of 'Independent' Directors

Number of pages: 10 Posted: 08 Apr 2016
Harvard Business School, AQR Capital Management, LLC and Harvard Business School
Downloads 74 (312,401)

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Independent directors, appointments, analysts, board members

29.

'Troll' Check? A Proposal for Administrative Review of Patent Litigation

97 Boston University Law Review 1775 (2017), U of Texas Law, Law and Econ Research Paper E576
Number of pages: 68 Posted: 15 Nov 2017 Last Revised: 20 Dec 2017
Harvard Business School, University of Texas at Austin - School of Law, University of Texas at Dallas and Harvard University
Downloads 58 (354,770)

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Patents, Patent Trolls, Patent Litigation Review Board, Opportunistic Patent Litigation

30.

Saving Face: A Solution to the Hidden Crisis for Life Insurance Policyholders

Number of pages: 29 Posted: 09 Aug 2018
University of St. Gallen - I.VW-HSG, Harvard Business School, Harvard Business School and University of St. Gallen - I.VW-HSG
Downloads 57 (357,788)

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31.

Attracting Flows by Attracting Big Clients

Journal of Finance, Forthcoming
Number of pages: 44 Posted: 14 Nov 2008 Last Revised: 19 Apr 2016
Lauren Cohen and Breno Schmidt
Harvard Business School and Emory University - Goizueta Business School
Downloads 48 (386,416)
Citation 18

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Portfolio Choice, Mutual Funds, Overweight, Fund Flows

32.

'Troll' Check? A Proposal for Administrative Review of Patent Litigation - Online Appendix

Number of pages: 14 Posted: 25 Sep 2017
Harvard Business School, University of Texas at Austin - School of Law, University of Texas at Dallas and Harvard University
Downloads 27 (471,547)

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Patents, Patent Trolls, Patent Litigation Review Board, Opportunistic Patent Litigation

33.

Internet Appendix for Attracting Flows by Attracting Big Clients

Number of pages: 11 Posted: 10 Apr 2016
Lauren Cohen and Breno Schmidt
Harvard Business School and Emory University - Goizueta Business School
Downloads 16 (532,691)

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Mutual Funds, Conflicts of Interest, Portfolio Choice, Retirement Savings

34.

Resident Networks and Firm Trade

NBER Working Paper No. w18312
Number of pages: 54 Posted: 18 Aug 2012
Lauren Cohen, Umit Gurun and Christopher J. Malloy
Harvard Business School, University of Texas at Dallas and Harvard Business School
Downloads 16 (532,691)
Citation 1

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35.

Shorting Demand and Predictability of Returns

Journal of Investment Management; 2009 1st Quarter, Vol. 7 Issue 1, p36-52
Posted: 28 May 2016
Lauren Cohen and Christopher J. Malloy
Harvard Business School and Harvard Business School

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Stocks, Marketing, Returns on Sales, Loans, Demand (Economic Theory), Economic Forecasting, Loan Servicing -- Costs, Securities, Supply & Demand

36.

Introduction to Short Selling

Harvard Business School Finance Case No. 212-079
Posted: 08 May 2012
Lauren Cohen and Christopher J. Malloy
Harvard Business School and Harvard Business School

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37.

Dimensional Fund Advisors (DFA)'s Entry into the Retirement Market

Harvard Business School Finance Case No. 212-068
Posted: 08 May 2012
Lauren Cohen and Christopher J. Malloy
Harvard Business School and Harvard Business School

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38.

Business Intelligence Advisors (BIA), Inc.: Finding the Hidden Meaning in Corporate Disclosures

Harvard Business School Finance Case No. 212-031
Posted: 02 Mar 2012
Lauren Cohen and Christopher J. Malloy
Harvard Business School and Harvard Business School

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39.

AQR's Momentum Funds (B)

Harvard Business School Finance Case No. 211-075
Posted: 01 Mar 2012
Brandeis International Business School, Harvard Business School, Harvard Business School and Harvard Business School - Finance Unit

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40.

AQR's Momentum Funds

Harvard Business School Finance Case No. 211-025
Posted: 10 Feb 2012
Brandeis International Business School, Harvard Business School, Harvard Business School - Finance Unit and Harvard Business School

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41.

AQR's Delta Strategy (A)

Harvard Business School Finance Case No. 212-038
Posted: 05 Feb 2012
Brandeis International Business School, Harvard Business School, Harvard Business School - Finance Unit and Harvard Business School

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42.

Quadriserv and the Short Selling Market

Harvard Business School Finance Case No. 212-021
Posted: 02 Feb 2012
Lauren Cohen and Christopher J. Malloy
Harvard Business School and Harvard Business School

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43.

Miracle Life Inc.

HBS Case No. 210-039, Harvard Business School Finance Unit
Posted: 01 May 2010
Lauren Cohen and Christopher J. Malloy
Harvard Business School and Harvard Business School

Abstract:

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44.

Loyalty-Based Portfolio Choice

The Review of Financial Studies, Vol. 22, No. 3, pp. 1213-1245, 2009
Posted: 17 Mar 2009
Lauren Cohen
Harvard Business School

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D31, J26, J32