Areas of Interest
Industrial organization
Health economics
Public economics
Education
Contact Information
3022 Broadway Uris 621
Columbia Business School
New York, NY 10027
Email: ats2180 <at> gsb.columbia.edu
Curriculum Vitae (PDF)
Publications and Papers Under Review
Mergers and Marginal Costs: New Evidence on Hospital Buyer Power (with Stuart Craig and Matthew Grennan)
Accepted, RAND Journal of Economics.
Preferred Pharmacy Networks and Drug Costs (with Amanda Starc)
Conditionally accepted, American Economic Journal: Economic Policy.
No Free Lunch? Welfare Analysis of Firms Selling Through Expert Intermediaries (with Matthew Grennan, Kyle Myers, and Aaron Chatterji)
Submitted.
Dynamics of the Gender Gap in High Math Achievement (with Glenn Ellison)
Submitted.
Physician Investment in Hospitals: Specialization, Incentives, and the Quality of Cardiac Care
Submitted.
Transparency and Negotiated Prices: The Value of Information in Hospital-Supplier Bargaining (with Matthew Grennan)
Journal of Political Economy 128 (4): 1234-1268, 2020.
Prescription Drug Use under Medicare Part D: A Linear Model of Nonlinear Budget Sets (with Jason Abaluck and Jonathan Gruber)
Journal of Public Economics 164: 106-138, 2018.
Social Impact Bonds: New Product or New Package? (with Mark Pauly)
Journal of Law, Economics, and Organization 33(4): 718–760, 2017.
Early Medicaid Expansion Reduced Payday Borrowing in California (with Heidi Allen, Tal Gross, and Jialan Wang)
Health Affairs, October 2017.
Marketplace Plans With Narrow Physician Networks Feature Lower Monthly Premiums Than Plans With Larger Networks (with Dan Polsky and Zuleyha Cidav)
Health Affairs, October 2016.
Do Schools Matter for High Math Achievement? Evidence from the American Mathematics Competitions (with Glenn Ellison)
American Economic Review 106(6): 1244-77, 2016.
The Closeness-Communication Bias: Increased Egocentrism among Friends Versus Strangers (with Kenneth Savitzky, Boaz Keysar, Nick Epley, and Travis Carter)
Journal of Experimental Social Psychology 47(1): 269-273, 2011.
The Gender Gap in Secondary School Mathematics at High Achievement Levels: Evidence from the American Mathematics Competitions (with Glenn Ellison)
Journal of Economic Perspectives 24(2): 109-128, 2010.
Working Papers
Diagnosing Price Dispersion: Demand, Bargaining, and Search in Hospital-Supplier Contracting (with Matthew Grennan)
Consumer Inertia in the ACA Exchanges (with Daniel Polsky and Evan Saltzman)
Research in Progress
Persuasion and Welfare in Physician-Industry Relations: Evidence from the Medical Device Industry (with Alon Bergman and Matthew Grennan)
Vertical Integration and Control: Evidence from Medical Technology (with Stuart Craig, Matthew Grennan, and Joseph Martinez)
Industrial organization
Health economics
Public economics
Education
Contact Information
3022 Broadway Uris 621
Columbia Business School
New York, NY 10027
Email: ats2180 <at> gsb.columbia.edu
Curriculum Vitae (PDF)
Publications and Papers Under Review
Mergers and Marginal Costs: New Evidence on Hospital Buyer Power (with Stuart Craig and Matthew Grennan)
Accepted, RAND Journal of Economics.
Preferred Pharmacy Networks and Drug Costs (with Amanda Starc)
Conditionally accepted, American Economic Journal: Economic Policy.
No Free Lunch? Welfare Analysis of Firms Selling Through Expert Intermediaries (with Matthew Grennan, Kyle Myers, and Aaron Chatterji)
Submitted.
Dynamics of the Gender Gap in High Math Achievement (with Glenn Ellison)
Submitted.
Physician Investment in Hospitals: Specialization, Incentives, and the Quality of Cardiac Care
Submitted.
Transparency and Negotiated Prices: The Value of Information in Hospital-Supplier Bargaining (with Matthew Grennan)
Journal of Political Economy 128 (4): 1234-1268, 2020.
Prescription Drug Use under Medicare Part D: A Linear Model of Nonlinear Budget Sets (with Jason Abaluck and Jonathan Gruber)
Journal of Public Economics 164: 106-138, 2018.
Social Impact Bonds: New Product or New Package? (with Mark Pauly)
Journal of Law, Economics, and Organization 33(4): 718–760, 2017.
Early Medicaid Expansion Reduced Payday Borrowing in California (with Heidi Allen, Tal Gross, and Jialan Wang)
Health Affairs, October 2017.
Marketplace Plans With Narrow Physician Networks Feature Lower Monthly Premiums Than Plans With Larger Networks (with Dan Polsky and Zuleyha Cidav)
Health Affairs, October 2016.
Do Schools Matter for High Math Achievement? Evidence from the American Mathematics Competitions (with Glenn Ellison)
American Economic Review 106(6): 1244-77, 2016.
The Closeness-Communication Bias: Increased Egocentrism among Friends Versus Strangers (with Kenneth Savitzky, Boaz Keysar, Nick Epley, and Travis Carter)
Journal of Experimental Social Psychology 47(1): 269-273, 2011.
The Gender Gap in Secondary School Mathematics at High Achievement Levels: Evidence from the American Mathematics Competitions (with Glenn Ellison)
Journal of Economic Perspectives 24(2): 109-128, 2010.
Working Papers
Diagnosing Price Dispersion: Demand, Bargaining, and Search in Hospital-Supplier Contracting (with Matthew Grennan)
Consumer Inertia in the ACA Exchanges (with Daniel Polsky and Evan Saltzman)
Research in Progress
Persuasion and Welfare in Physician-Industry Relations: Evidence from the Medical Device Industry (with Alon Bergman and Matthew Grennan)
Vertical Integration and Control: Evidence from Medical Technology (with Stuart Craig, Matthew Grennan, and Joseph Martinez)