Consumer Price Index Fundamentals: Measuring Inflation and Economic Policy

Accurate inflation measurement is the cornerstone of sound economic policy and financial decision-making. The Consumer Price Index (CPI) directly impacts interest rates, government pension adjustments, wage negotiations, and corporate planning, yet few understand how these vital metrics are actually constructed. This course provides a clear, comprehensive guide to understanding inflation measurement from the ground up, equipping you with the analytical skills to interpret economic data confidently. You will start by mastering foundational economic terms and definitions before moving into the practical mechanics of price index construction. What you will learn: Understand the core concepts of inflation, deflation, and purchasing power; Learn how to construct a representative consumer basket and establish expenditure weights; Practice the formulas used to calculate CPI, including Laspeyres, Paasche, and Fisher index methodologies; Analyze how quality changes and product substitutions are handled in modern index calculations; Examine the role of CPI in adjusting wages, pensions, contracts, and monetary policy decisions. This course begins with essential economic terminology and basic concepts, then systematically guides you through data collection methods, index formulas, and modern adjustments for quality and substitution. This course is designed for beginners, students of economics, public policy professionals, and financial analysts with no prior advanced statistical background required. Start reading today to demystify inflation data and master the mechanics of the Consumer Price Index.