tools for the statistical component of econometrics; another reason is the increased use of matrix algebra in the economic … theory underlying econometric relations. This chapter presents a selective survey of both areas. It reviews the concepts of … methods is that many topics in econometrics have a multivariate character. The chapter illustrates the convenience of matrices …

econometrics. In most cases, proofs are provided and there is a verbal discussion of certain mathematical results …

This booklet was begun as an appendix to Introductory Econometrics. As it progressed, requirements of consistency and … typical student's mathematical training, to the extent relevant for the study of econometrics. Thus, it contains a collection … of mathematical results employed at various stages of Introductory Econometrics. More generally, however, it would be a …