8: Inflation
- Page ID
- 158626
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\(\newcommand{\avec}{\mathbf a}\) \(\newcommand{\bvec}{\mathbf b}\) \(\newcommand{\cvec}{\mathbf c}\) \(\newcommand{\dvec}{\mathbf d}\) \(\newcommand{\dtil}{\widetilde{\mathbf d}}\) \(\newcommand{\evec}{\mathbf e}\) \(\newcommand{\fvec}{\mathbf f}\) \(\newcommand{\nvec}{\mathbf n}\) \(\newcommand{\pvec}{\mathbf p}\) \(\newcommand{\qvec}{\mathbf q}\) \(\newcommand{\svec}{\mathbf s}\) \(\newcommand{\tvec}{\mathbf t}\) \(\newcommand{\uvec}{\mathbf u}\) \(\newcommand{\vvec}{\mathbf v}\) \(\newcommand{\wvec}{\mathbf w}\) \(\newcommand{\xvec}{\mathbf x}\) \(\newcommand{\yvec}{\mathbf y}\) \(\newcommand{\zvec}{\mathbf z}\) \(\newcommand{\rvec}{\mathbf r}\) \(\newcommand{\mvec}{\mathbf m}\) \(\newcommand{\zerovec}{\mathbf 0}\) \(\newcommand{\onevec}{\mathbf 1}\) \(\newcommand{\real}{\mathbb R}\) \(\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}\) \(\newcommand{\laspan}[1]{\text{Span}\{#1\}}\) \(\newcommand{\bcal}{\cal B}\) \(\newcommand{\ccal}{\cal C}\) \(\newcommand{\scal}{\cal S}\) \(\newcommand{\wcal}{\cal W}\) \(\newcommand{\ecal}{\cal E}\) \(\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}\) \(\newcommand{\gray}[1]{\color{gray}{#1}}\) \(\newcommand{\lgray}[1]{\color{lightgray}{#1}}\) \(\newcommand{\rank}{\operatorname{rank}}\) \(\newcommand{\row}{\text{Row}}\) \(\newcommand{\col}{\text{Col}}\) \(\renewcommand{\row}{\text{Row}}\) \(\newcommand{\nul}{\text{Nul}}\) \(\newcommand{\var}{\text{Var}}\) \(\newcommand{\corr}{\text{corr}}\) \(\newcommand{\len}[1]{\left|#1\right|}\) \(\newcommand{\bbar}{\overline{\bvec}}\) \(\newcommand{\bhat}{\widehat{\bvec}}\) \(\newcommand{\bperp}{\bvec^\perp}\) \(\newcommand{\xhat}{\widehat{\xvec}}\) \(\newcommand{\vhat}{\widehat{\vvec}}\) \(\newcommand{\uhat}{\widehat{\uvec}}\) \(\newcommand{\what}{\widehat{\wvec}}\) \(\newcommand{\Sighat}{\widehat{\Sigma}}\) \(\newcommand{\lt}{<}\) \(\newcommand{\gt}{>}\) \(\newcommand{\amp}{&}\) \(\definecolor{fillinmathshade}{gray}{0.9}\)- 8.1: Introduction to Inflation
- This page discusses inflation, especially hyperinflation through Zimbabwe's 2008 crisis, highlighting its extreme rates and economic instability. It differentiates between general inflation and relative price changes, explains measuring inflation, and examines its historical context and effects on the economy. Additionally, it mentions the limitations of inflation statistics and introduces upcoming policy discussions aimed at addressing inflation issues.
- 8.2: Tracking Inflation
- This page covers key concepts of inflation, highlighting the calculation of annual rates and the use of index numbers for tracking price changes. It illustrates historical comparisons from 1970 to 2021, showing a decline in purchasing power. The text explains how inflation rates are calculated using a "basket of goods" with weighted averages and the significance of a base year in interpreting index numbers, while cautioning against oversimplified calculations.
- 8.3: How to Measure Changes in the Cost of Living
- This page examines the importance of economic trends over specific expenses, focusing on the Consumer Price Index (CPI) and core inflation. It highlights challenges in CPI measurement, such as biases that may inflate inflation rates, and the periodic updates made by the Bureau of Labor Statistics.
- 8.4: How the U.S. and Other Countries Experience Inflation
- This page examines inflation trends in the U.S. and globally over the last century, noting an average inflation of 2% to 4% in recent decades, with significant spikes post-World Wars and deflation during the 1920s and 1930s. It also discusses the high inflation faced by industrialized nations in the 1970s and highlights cases of hyperinflation in Russia and Zimbabwe. The page concludes that inflation has recently stabilized for many countries.
- 8.5: The Confusion Over Inflation
- This page examines the multifaceted effects of inflation on the economy, emphasizing its impact on purchasing power and economic equity. It notes that while inflation can disadvantage cash holders and retirees, borrowers may benefit. The historical context of hyperinflation in Weimar Germany is presented as a case where economic chaos influenced political changes.
- 8.6: Indexing and Its Limitations
- This page discusses indexing as a method to alleviate inflation's adverse effects on wages and interest rates by automatically adjusting payments. It covers its application in labor unions, loans, and government programs like Social Security and indexed bonds. The section outlines inflation's causes, macroeconomic policies, and the delicate balance between purchasing power and goods production.
- 8.7: Key Terms
- This page covers essential concepts of inflation in economics, including its measurement through index numbers, the Consumer Price Index (CPI), and other price indices like the GDP deflator and Producer Price Index (PPI). It discusses key terms such as adjustable-rate mortgages and core inflation indices, while addressing biases in calculations, like substitution and quality bias. The page underscores the significance of comprehending inflation's effects on living costs and purchasing power.
- 8.8: Key Concepts and Summary
- This page covers inflation measurement using a basket of goods and index numbers, identifying biases in cost of living measurements such as substitution and quality biases. It reviews historical U.S. inflation trends, the impacts of unexpected inflation, and the function of indexing for inflation adjustments in various sectors, while also acknowledging its limitations.