Hidden “junk” fees have the potential to distort competition, creating high costs to consumers. However, regulating them can lead to adverse effects, especially in complex markets with intermediaries where they are most prevalent. To explore the equilibrium adjustments of regulating hidden...

An imperfectly-informed regulator needs to procure multiple units of some good (e.g., green energy, market liquidity, pollution reduction, land conservation) that can be produced with heterogeneous technologies at various costs. How should she optimally procure these units? Should she run...

This chapter provides a comprehensive overview of the theoretical and empirical literature on the regulation of natural monopolies. It covers alternative definitions of natural monopoly, public interest regulatory goals, alternative regulatory institutions, price regulation with full...

A non-trivial fraction of people cannot afford to buy pharmaceutical products at unregulated market prices. Therefore, the paper analyzes the public insurance of the pharmaceutical products in terms of price controls and the socially optimal third-degree price discrimination. It characterizes...