Aseller in an online marketplace with an effective reputation mechanism should expect that dishonest behavior results in higher payments now whereas honest behavior results in a better reputation--and thus higher payments--in the future. We study the Window Aggregation Mechanism, a widely used...

In this paper we conduct an empirical investigation of a large-scale combinatorial auction (CA)--the Chilean auction for school meals in which the government procures half a billion dollars worth of meal services every year. Our empirical study is motivated by two fundamental aspects in the...