The lysine cartel: an economic roller coaster
Prices for lysine, an additive in livestock feed, 1990-96. Secret audio and video recordings of meetings between executives from American food conglomerate Archer Daniels Midland and companies from Japan and South Korea revealed ongoing attempts to fix prices in this market. Prices recorded during the approximate period of the conspiracy are highlighted. See source for more details on the timeline of the cartel as it has been reconstructed from court records.
Source: adapted from Figure 2 of de Roos (2006)