HE TREND toward composting reached its peak in Switzerland in 1975 when approximately 10 percent-or over 200,000 tons-of garbage were composted. However, as garbage production per capita and per year increased ;gin 1960 to 430 kg in 1987, cheminination also accelerated. This led to concern about excessive pollutants in compost and their impact on human health and the environment. Switzerland's...

In this paper, we study the incentives for market concentration of (online and traditional) auction houses. Would sellers and buyers be better off if two separate auction houses merged? We suppose that each auction house has a separate clientele of sellers and buyers. Sellers value their (identical) units at 0, while buyers have independent private values. Each auction house uses an ascending a...