This paper investigates a stepwise tax/subsidy structure on a monopoly practicing quantity discounts. It covers four tax/subsidy systems: uniform and non-uniform schemes, each under specific and ad valorem regimes. The effects of an exogenous change in a tier's tax rate on the optimal tier sizes...

This paper explores a monopolist's optimal multi-tier quantity-discount prices and shows that only the last tier's marginal cost is relevant in determining the tier prices and each tier's price is equal to its preceding tier's marginal revenue. An increase in total output is associated with...