This chapter develops the duality between cost and production functions. The chapter derives the regularity conditions that a cost function C must have and shows how a production function is constructed from a given cost function. The chapter considers the duality between a (direct) production...

I Introduction -- A The subject of the study -- B The method of the study -- II Mathematical Concepts for Choice Theory -- 2.1 Introduction -- 2.2 Ordering relations -- 2.3 Mappings and correspondences -- 2.4 Maximal elements and greatest elements -- 2.5 Utility functions -- III Choice Models --...