and step-by step explanations of mathematical proofs to help students thoroughly grasp the subject. Extensive practical exercises throughout--including fifty exercises on the same dataset--build students' confidence and provide them with hands-on practice in applying techniques.NEW TO THE FOURTH EDITION:* An expanded review section at the beginning of the book offers a more comprehensive guide to all of the statistical concepts needed to study econometrics* Additional exercises provide students with even more opportunities to put theory into practice* More Monte Carlo simulations help students use visualization to understand the math* New final sections at the end of each chapter contain summaries and non-technical introductions to more advanced topicsAn updated and expanded Companion Website contains resources for students and instructors:For students:* Data sets* Gretl, a free econometrics software application* PowerPoint-based slides with explanations* A study guideFor instructors:* Instructor manuals for the text and data sets that detail the exercises and their solutions* PowerPoint-based slides* A "Contact the Author" link

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