This chapter discusses the strategic models of entry deterrence that the models fall into three categories: (1) Preemptionthese models explain how a firm claims and preserves monopoly position. The incumbent obtains a dominant position by arriving first in a natural monopoly, or more generally,...

This chapter describes several forms of auctions, presents the formulations used in the main models, reviews some of the general results and empirical findings, and indicates a few applications. Auctions have been used for millennia, and remain the simplest and most familiar means of price...