Heidi L. Williams

MIT Department of Economics

Assistant Professor

50 Memorial Drive

E52-391

Cambridge, MA 02142

United States

http://econ-www.mit.edu/faculty/heidiw

National Bureau of Economic Research (NBER)

1050 Massachusetts Avenue

Cambridge, MA 02138

United States

SCHOLARLY PAPERS

17

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1,375

SSRN CITATIONS
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Top 3,394

in Total Papers Citations

54

CROSSREF CITATIONS

247

Scholarly Papers (17)

Do Fixed Patent Terms Distort Innovation?: Evidence from Cancer Clinical Trials

Chicago Booth Research Paper No. 13-79
Number of pages: 73 Posted: 15 Nov 2013
Eric B. Budish, Benjamin N. Roin and Heidi L. Williams
University of Chicago - Booth School of Business, affiliation not provided to SSRN and MIT Department of Economics
Downloads 232 (131,182)
Citation 17

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Do Firms Underinvest in Long-Term Research? Evidence from Cancer Clinical Trials

NBER Working Paper No. w19430
Number of pages: 52 Posted: 14 Sep 2013 Last Revised: 08 Oct 2014
Eric B. Budish, Benjamin N. Roin and Heidi L. Williams
University of Chicago - Booth School of Business, affiliation not provided to SSRN and MIT Department of Economics
Downloads 34 (459,736)
Citation 4

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2.

Advanced Purchase Commitments for a Malaria Vaccine: Estimating Costs and Effectiveness

Number of pages: 29 Posted: 06 Apr 2005
Massachusetts Institute of Technology (MIT) - Sloan School of Management, Massachusetts Institute of Technology (MIT) - Department of Economics, Harvard University - Department of Economics, Harvard University, Center for Global Development, Humboldt University Berlin and MIT Department of Economics
Downloads 208 (146,228)

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Advance purchase commitment, R&D, pharmaceuticals, vaccines, malaria

3.

How Do Patents Affect Follow-On Innovation? Evidence from the Human Genome

NBER Working Paper No. w21666
Number of pages: 66 Posted: 26 Oct 2015 Last Revised: 30 Oct 2015
Bhaven N. Sampat and Heidi L. Williams
Columbia University - Mailman School of Public Health and MIT Department of Economics
Downloads 142 (204,262)
Citation 8

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4.

Intellectual Property Rights and Innovation: Evidence from Health Care Markets

NBER Working Paper No. w21246
Number of pages: 33 Posted: 08 Jun 2015 Last Revised: 16 Jun 2015
Heidi L. Williams
MIT Department of Economics
Downloads 117 (237,382)

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How Do Patents Affect Research Investments?

NBER Working Paper No. w23088
Number of pages: 35 Posted: 23 Jan 2017
Heidi L. Williams
MIT Department of Economics
Downloads 87 (292,278)
Citation 1

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How Do Patents Affect Research Investments?

Annual Review of Economics, Vol. 9, pp. 441-469, 2017
Posted: 14 Aug 2017
Heidi L. Williams
MIT Department of Economics

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6.

Advance Market Commitments for Vaccines Working Paper and Spread Sheet

Center for Global Development Working Paper No. 98
Number of pages: 43 Posted: 02 May 2007
Massachusetts Institute of Technology (MIT) - Sloan School of Management, Massachusetts Institute of Technology (MIT) - Department of Economics, Harvard University - Department of Economics, Harvard University, Center for Global Development, Humboldt University Berlin and MIT Department of Economics
Downloads 87 (289,833)

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advance market commitment, vaccine, disease, HIV/AIDS, malaria, tuberculosis, cost-effective

7.

The More We Die, the More We Sell? A Simple Test of the Home-Market Effect

NBER Working Paper No. w22538
Number of pages: 47 Posted: 25 Aug 2016
Arnaud Costinot, Dave Donaldson, Margaret Kyle and Heidi L. Williams
Massachusetts Institute of Technology (MIT) - Department of Economics, Massachusetts Institute of Technology (MIT), École Nationale Supérieure des Mines de Paris - Centre d'Économie Industrielle (CERNA) and MIT Department of Economics
Downloads 78 (309,513)
Citation 1

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8.

Intellectual Property Rights and Innovation: Evidence from the Human Genome

NBER Working Paper No. w16213
Number of pages: 37 Posted: 26 Jul 2010 Last Revised: 29 Oct 2014
Heidi L. Williams
MIT Department of Economics
Downloads 72 (324,056)
Citation 6

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9.

Patents and Research Investments: Assessing the Empirical Evidence

NBER Working Paper No. w21889
Number of pages: 9 Posted: 20 Jan 2016 Last Revised: 06 Feb 2016
Eric B. Budish, Benjamin N. Roin and Heidi L. Williams
University of Chicago - Booth School of Business, affiliation not provided to SSRN and MIT Department of Economics
Downloads 62 (350,738)
Citation 1

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10.

Advanced Purchase Commitments for a Malaria Vaccine: Estimating Costs and Effectiveness

LSE STICERD Research Paper No. PEPP02
Number of pages: 28 Posted: 11 Jul 2008
affiliation not provided to SSRN, Massachusetts Institute of Technology (MIT) - Department of Economics, Harvard University - Department of Economics, Harvard University, Center for Global Development, affiliation not provided to SSRN and MIT Department of Economics
Downloads 46 (401,966)

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11.

Is American Health Care Uniquely Inefficient? Evidence from Prescription Drugs

NBER Working Paper No. w23068
Number of pages: 7 Posted: 23 Jan 2017
Margaret Kyle and Heidi L. Williams
École Nationale Supérieure des Mines de Paris - Centre d'Économie Industrielle (CERNA) and MIT Department of Economics
Downloads 42 (416,697)

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12.

Why is Infant Mortality Higher in the Us than in Europe?

NBER Working Paper No. w20525
Number of pages: 41 Posted: 30 Sep 2014 Last Revised: 03 Oct 2014
Alice Chen, Emily F. Oster and Heidi L. Williams
University of Southern California - Schaeffer Center for Health Policy and Economics, University of Chicago - Department of Economics and MIT Department of Economics
Downloads 35 (444,706)

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13.

Estimating Marginal Returns to Medical Care: Evidence from At-Risk Newborns

NBER Working Paper No. w14522
Number of pages: 61 Posted: 08 Dec 2008 Last Revised: 06 Aug 2014
Columbia University - Graduate School of Arts and Sciences, Department of Economics, Massachusetts Institute of Technology (MIT) - Economics, Finance, Accounting (EFA), University of Michigan at Ann Arbor - Department of Economics and MIT Department of Economics
Downloads 30 (467,291)
Citation 4

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14.

Sources of Geographic Variation in Health Care: Evidence from Patient Migration

NBER Working Paper No. w20789
Number of pages: 54 Posted: 29 Dec 2014 Last Revised: 06 Jan 2015
Amy Finkelstein, Matthew Gentzkow and Heidi L. Williams
Massachusetts Institute of Technology (MIT) - Department of Economics, University of Chicago - Booth School of Business and MIT Department of Economics
Downloads 29 (472,174)
Citation 8

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15.

Who Profits from Patents? Rent-Sharing at Innovative Firms

NBER Working Paper No. w25245
Number of pages: 81 Posted: 13 Nov 2018
Patrick Kline, Neviana Petkova, Heidi L. Williams and Owen Zidar
University of California, Berkeley - Department of Economics, Government of the Italian Republic (Italy) - Department of the Treasury, MIT Department of Economics and Princeton University
Downloads 28 (477,173)
Citation 5

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16.

Advanced Purchase Commitments for a Malaria Vaccine: Estimating Costs and Effectiveness

NBER Working Paper No. w11288
Number of pages: 44 Posted: 14 Aug 2012 Last Revised: 06 Aug 2014
Massachusetts Institute of Technology (MIT) - Sloan School of Management, Massachusetts Institute of Technology (MIT) - Department of Economics, Harvard University - Department of Economics, Harvard University, Center for Global Development, Humboldt University Berlin and MIT Department of Economics
Downloads 24 (498,816)

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17.

Paying on the Margin for Medical Care: Evidence from Breast Cancer Treatments

NBER Working Paper No. w20226
Number of pages: 43 Posted: 16 Jun 2014 Last Revised: 30 Sep 2014
Liran Einav, Amy Finkelstein and Heidi L. Williams
Stanford University - Department of Economics, Massachusetts Institute of Technology (MIT) - Department of Economics and MIT Department of Economics
Downloads 22 (510,244)

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