The paper defines, implements and compares two empirical tests of relevant markets. While the 1997 test of the EU Commission compares an initial industry equilibrium to an out-of-equilibrium situation, the 1984 US Merger Guidelines test compares the same initial equilibrium to a second...

The objective of the paper is to elaborate a simulation model to analyze inter- and intra-modal competition in the transport industry, based on game theory models. In our setting, consumers choose a transport mode and an operator to travel on a given city-pair; operators strategically decide on...