This paper introduces a number of game-theoretic tools to model collusive agreements among firms in vertically differentiated markets. I firstly review some classical literature on collusion between two firms producing goods of exogenous different qualities. I then extend the analysis to a...

The tax incidence of different price-point instant lottery games is examined. Theoretical reasons exist for expecting higher-priced instant lottery games to be less regressive than lower-priced instant games. Using game-level data from a sample of states, the empirical results show that...