The paper studies how the optimal nonlinear quantity-payment allocation can be truthfully implemented by optional tariffs in a differentiated goods duopoly. Consumers choose from a menu of tariffs and are subsequently billed according to this. We find that implementation by simple two part...

In this paper, we compare ad valorem and specific taxation under heterogeneous demand when a monopolist offers a menu of two-part tariffs. An increase in either tax rate leads to a higher usage fee for all consumers, whereas the fixed fee under reasonable assumptions will fall. If the government...

There is a gap between the recommendations of the theory of second degree price discrimination and the practices of firms that target consumer segments with varying willingness to pay with two or more distinct tariffs. We present a model where consumers' private information is single dimensional...