Greg Shaffer

Greg Shaffer

John M. Olin Distinguished Professor
Area(s) of Expertise
Marketing
Economics and Management
Bio

Prior to joining the Simon School in 1997, Shaffer taught in the economics departments at Indiana University (Bloomington, Ind.) and the University of Michigan (Ann Arbor, Mich.). He has held an appointment at Princeton University’s Woodrow Wilson School, and he has been a visiting scholar in the marketing department at Northwestern University’s Kellogg School of Management. In addition to his teaching and research duties at the Simon School, Shaffer has an appointment in the School of Management at the University of East Anglia (Norwich, UK). He is also the founder of the Center for Pricing.

Courses
Pricing Policies
Research Interests
Shaffer’s research employs game theoretic models to examine pricing-related issues in IO and antitrust economics. His specialty is in the area of vertical restraints, including exclusive dealing, bundling, slotting allowances, market-sharebased contracts and resale price maintenance. He has received research grants from the US National Science Foundation, the Social Science Research Council (USA) and the Social Research Council (UK). Shaffer’s work has appeared in the American Economic Review; Economic Journal; the RAND Journal of Economics; Journal of Economics and Management Strategy; Journal of Law and Economics; Journal of Law, Economics and Organization; Journal of Industrial Economics; International Journal of Industrial Organization; Marketing Science; and Management Science. He received Emerald Management Review’s Citation of Excellence Award as the author of one of the top 50 management articles of 2002. Shaffer is a co-editor of the Journal of Economics and Management Strategy and an associate editor of the Journal of Economics and Business. He has served as a visiting scholar in the two U.S. government antitrust agencies: the Antitrust Division of the US Department of Justice and the Bureau of Economics at the U.S. Federal Trade Commission. Shaffer participated in the writing of the 2001 Federal Trade Commission’s report on slotting allowances (payments for retail shelf space), and he has twice given invited testimonyon their competitive effects, serving on a threemember panel investigating this practice at the Hearings on Global and Innovation Based Competition (1995) and again at the Federal Trade Commission’s sponsored workshop on slotting allowances (2000).
Teaching Interests

Professor Shaffer teaches the course on pricing policies to full-time and part-time MBA students. He has been named to the teaching Honor Roll numerous times and was awarded the Superior Teaching Award from the MBA classes of 2001 and 2004.

Publications
Slotting Fees and Price Discrimination in Retail Channels
2022
Marketing Science
Issue
41
The Economics of Dual Pricing in Vertical Agreements
2022
Concurrences Review
Input Price Discrimination by Resale Market
2021
RAND Journal of Economics
Third-Degree Price Discrimination in Oligopoly with Endogenous Input Costs
2021
International Journal of Industrial Organization
Pass‐Through as an Economic Tool ‐‐ On Exogenous Competition, Social Incidence, and Price Discrimination
2021
Journal of Political Economy
Issue
1
Volume
129
Market-Share Contracts, Exclusive Dealing, and the Integer Problem
2019
American Economic Journal: Microeconomics
Issue
1
Volume
11
Managing Channel Profits When Retailers Have Profitable Outside Options
2019
Management Science
Issue
2
Volume
65
Apple’s Agency Model and Most-Favored-Nation Clauses
2017
Rand Journal of Economics
Issue
3
Volume
48
Private Contracting with Externalities: Divide and Conquer?
2017
International Journal of Industrial Organization
Volume
50
Naked Exclusion with Private Offers
2016
American Economic Journal: Microeconomics
Issue
4
Volume
8
Optimal Low-Price Guarantees with Anchoring
2012
Quantitative Marketing and Economics
Issue
10
Mergers and Partial Ownership
2011
European Economic Review
Issue
55
Resale Price Maintenance and Restrictions on Dominant Firm and Industry-Wide Adoption
2011
International Journal of Industrial Organization
Issue
29
How Loyalty Discounts Can Perversely Discourage Discounting: Comment
2010
CPI Antitrust Chronicle
Volume
4(1)
Market Share Contracts as Facilitating Practices
2010
Rand Journal of Economics
Issue
41
Slotting Allowances and Scarce Shelf Space
2010
Journal of Economics and Management Strategy
Issue
19
Break-Up Fees and Bargaining Power in Sequential Contracting
2010
International Journal of Industrial Organization
Issue
28
Matching Own Prices, Rivals' Prices, or Both
2010
Journal of Industrial Economics
Issue
58
Comparative Advertising and In-Stores Displays
2009
Marketing Science
Issue
28
Market Power, Price Discrimination, and Allocative Efficiency in Intermediate-Goods Markets
2009
Rand journal of Economics
Issue
40
Market Share Contracts with Asymmetric Information
2009
Journal of Economics and Management Strategy
Issue
18
Price-Matching Guarantees, Retail Competition, and Product Line Assortment
2009
Marketing Science
Issue
580-588
Volume
28
Bundling and Menus of Two-Part Tariffs: Comment
2008
Journal of Industrial Economics
Issue
863
Volume
56
Buyer Power in Merger Control
2008
Issues in Competition law and Policy
Issue
W.D Collins
Upfront Payments and Exclusion in Downstream Markets
2007
Rand Journal of Economics
Issue
38
Rent Shifting and Order of Negotiations
2007
International Journal of Industrial Organization
Issue
25
Wholesale Access in Multi-Firm Markets: When is it Profitable to Supply a Competitor
2007
International Journal of Industrial Organization
Issue
1026-1045
Volume
25
Retail Merger, Buyer Power and Product Variety
2007
Economic Journal
Issue
117
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