derive these measures are largely unsatisfactory. The axiomatic theory of indexes does not make clear which economic problem …. For example, the theory of the CPI is usually developed for a single consumer with homothetic preferences and then applied … to a large aggregate of diverse consumers with non-homothetic preferences. In this paper I develop a unitary theory that …

introduction of new goods (or the disappearance of existing goods). In this paper I explain the theory of cost-of-living indices … and demonstrate how new goods should be included using the classical theory of Hicks and Rothbarth. The correct price to …