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Introductory EconometricsIntuition, Proof, and Practice$
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Jeffrey Zax

Print publication date: 2011

Print ISBN-13: 9780804772624

Published to Stanford Scholarship Online: June 2013

DOI: 10.11126/stanford/9780804772624.001.0001

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PRINTED FROM STANFORD SCHOLARSHIP ONLINE (www.stanford.universitypressscholarship.com). (c) Copyright Stanford University Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in SSO for personal use.date: 04 July 2022

The Essential Tool

The Essential Tool

(p.35) Chapter 2 The Essential Tool
Introductory Econometrics
Stanford University Press

This chapter reviews the summation sign, the most important mathematical tool for the purposes of this book. It explains what the summation sign means and shows how it works. It presents some particular summations that appear over and over again throughout the book. The discussions cover constants in summations, averages, summations of sums, and summations of products.

Keywords:   summation sign, summations, constants, averages

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