We used extensions of traditional ARCH and GARCH models to examine the difference in the behavior of the first two moments of the price distribution during collusion and the absence of it using prices from two recently discovered conspiracies, citric acid and lysine. According to our results,...

Replaced with revised version of paper 07/24/09.

A theoretical framework is developed to highlight the significant determinants of coupon values. A fixed effects panel data model is fitted with data from the breakfast cereal industry. The explanatory variables include own retail price, brand loyalty, brand market share, rival coupon...

This study identifies the determinants of coupon values at the brand level using a framework developed from price discrimination theory and the principles of demand. Couponing is considered within the context of a complex marketing program in which it is coordinated with other non-price...

The FTC's "shared monopoly" case was the focus of U.S. antitrust activity during the late 1970s, but prosecution of the cereal industry was terminated in 1981. We estimate the degree of market power in the industry, and find an increase in multilateral power after 1981.

This paper presents two major economic arguments relevant to a decision facing the U.S. Supreme Court in early 2004. In Empagran v. F. Hoffmann-LaRoche the Court must decide whether companies like Empagran, an Ecuadorian animal-feed manufacturer, ought to be permitted to sue for treble damages...

This paper surveys hundreds of published social-science studies of private, hard-core cartels that contain 699 observations of long-run overcharges. The primary finding is that the median cartel overcharge for all types of cartels over all time periods is 25%: 19% for domestic cartels, 32% for...