Nowadays Russian retail industry is going through its own "Walmart revolution" when chains are gaining a dominant position on the market crowding out small local shops. While retail markets of the US and Europe have reached stable stage of the development with only minor changes in the market...

This paper investigates the viability of Pay-What-You-Want (PWYW) pricing when firms compete without restrictions of a minimum payment requirement. We show that the equilibrium outcomes are different when underpayers, consumers paying less than marginal cost, are present as opposed to when they...