Problem definition: Revenue management in railways distinguishes itself from that in traditional sectors such as airline, hotel, and fashion retail, in several important ways: (i) Capacity is substantially more flexible, in the sense that changes to the capacity of a train can often be made...

We study a multiproduct pricing problem in which the prices of the products are restricted to discrete and finite sets. The demand for a product is a function of the prices of all the products. The prices of the products can be changed through time, subject to the aggregate consumption of each...