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Christian Rojas, Assistant Professor

Photo of Christian RojasMy interests are in Industrial Organization, Applied Microeconomics and Experimental Economics. Curriculum Vitae

Research

Industrial Organization:

The Role of Information and Monitoring on Collusion: An Experimental Assessment, Revise and resubmit, RAND Journal of Economics.

Competitive and Welfare Effects of Exclusive Contracts: Evidence from U.S. Brewing, revise and resubmit Journal of Law and Economics

Price Competition in U.S. Brewing. 2008. Journal of Industrial Economics, 56, 1-31 [lead article]

Demand for Differentiated Products: Price and Advertising Evidence from the U.S. beer Market. 2008. International Journal of Industrial Organization, 26, 288-307 (with E. Peterson)

What Happens when Demand is Estimated with a Misspecified Model? 2008. Journal of Industrial Economics, 56, 809-39 (with D. Huang and F. Bass).

Retailers' Response to Wholesale Price Changes: New Evidence from Scanner-Based Quantity-Weighted Beef Prices. 2008. Agribusiness: An International Journal, 24, 1-15. [lead article] (with A. Andino and W. Purcell)

Tax Incidence when Quality Matters: Evidence from the Beer Market (with T. Shi), under review

Logit Models of Demand: A Note of Caution on the Market Potential Assumption (with D. Huang). (email me for paper)

Experimental and Education:

Technology Improves Learning in Large Principles of Economics Classes: Using Our WITS, American Economic Review, P & P, 2006, 96, 2 (with C. Eckel and S. Ball)

Debt Aversion and the Demand for Loans for Post-Secondary Education, Public Finance Review, 2007, 35, 233-262 (with C. Eckel, K. Johnson, C. Montmarquette)

Price Discrimination and Resale: A Classroom Experiment, Journal of Economic Education, 2008, 40, 229-244. (with A. Basuchoudhary, C. Metcalf, K. Pommerenke, D. Reiley, M. Rostek and J. Stodder)

Market Power and the Lerner Index: A Classroom Experiment, under review

Eliciting Risk Preferences: When is Simple Better? (with C. Dave, C. Eckel and K. Johnson), under review

Work in Progress

Countervailing Power and Vertically Differentiated Retailers (with S. Wang, N. Lavoie and D. Lass)

Estimating Market Potential in Logit Models of Demand Using Aggregate Data (with Dongling
Huang).

Welfare effects of Vertical Integration: An Empirical Analysis of the Soft Drinks Industry.

An Analysis of the Determinants of Cost Pass-Through Rates.

Computer Code Available for Download

Matlab Program to Run the Epps-Singleton Two-Sample Test of Equality of Distributions.

Description of Matlab files and how to run the test (Word File)
Matlab m-file that reproduces Epps-Singleton (1986) results (numerical_example.m)
Matlab m-file that runs the Epps-Singleton (1986) test, calculates p-value, and critical values (es.m)

219 Stockbridge Hall
University of Massachusetts
Amherst, MA 01003
(413)545-2496
rojas"at" resecon.umass.edu