`I was convinced that if the teaching of introductory econometrics courses was based on the perspective of professional econometricians, the presentation of the subject would become simple and much more interesting`, notes the author Jeffrey M. Wooldridge, who as a University Distinguished Professor of Economics has been teaching at Michigan State University since 1991. Written in this spirit, `Introduction to Econometrics: A Modern Approach` quickly became a reference manual for students, educators, and professionals in the field of economics. In this translated fourth American edition, it presents in detail how empirical researchers approach and apply econometric methods in tangible reality and demonstrates that econometrics functions as a genuinely useful tool for answering questions in the fields of business, policy evaluation, and forecasting economic variables. The systematic approach adopted by the author makes the theory comprehensible and leads to better econometric practices. The text focuses on understanding and interpreting assumptions in the light of real empirical applications. It differentiates from the usual practice by distinguishing topics based on the type of data being analyzed. Additionally, each chapter includes numerous examples and questions aimed at providing immediate feedback to the reader. The problems and computer exercises presented are clearly oriented towards empirical work as their resolution relies on careful argumentation based on the theory presented. Furthermore, through a code accompanying each copy of the manual, online access to data sets is provided so that interested parties can delve deeper into econometric analysis. At the end of the volume, an extensive glossary is provided where all the main terms of econometrics are explained with brief definitions and concise descriptions. [Excerpt from the text on the back cover of the edition]