In a four-treatment experiment, we test some of the hypotheses in Garcia-Gallego et al.(2004) concerning competition among a number of firms of which some (or all) are indexed by a price-comparison engine facilitating buyers' search process. In this paper, we isolate individual behavior from...

Inspired by the ongoing debate regarding the liberalization of the Spanish railway network, we use real-world information on the features of passenger transportation demand and the existing network infrastructure to build a complex experimental setting. We test the efficiency of alternative...