Chapter 9: Unemployment and Inflation

Measuring Unemployment and Labor Market Indicators

The labor market is analyzed using several key statistics to understand employment trends and economic health. These measures are calculated using surveys conducted by government agencies.

• Labor Force: The sum of employed and unemployed workers in the economy.

• Employed: Individuals currently working or temporarily away from their job.

• Unemployed: Individuals not working but available for work and actively seeking employment in the past month.

• Not in the Labor Force: Individuals neither employed nor unemployed (e.g., retirees, students).

• Discouraged Workers: People available for work but not actively seeking employment due to belief that no jobs are available.

• Unemployment Rate: Percentage of the labor force that is unemployed.

• Labor Force Participation Rate (LFPR): Percentage of the working-age population in the labor force.

• Employment-Population Ratio: Percentage of the working-age population that is employed.

• Problems with Measurement: Unemployment rate may understate (due to underemployed or discouraged workers) or overstate (false claims of job search) actual unemployment.

• Surveys Used: Household survey (Current Population Survey) and establishment survey (payroll survey).

Types of Unemployment

Unemployment is classified based on its causes and duration, which helps policymakers address labor market issues.

• Frictional Unemployment: Short-term unemployment from the process of matching workers with jobs. It can increase efficiency by improving job matches.

• Structural Unemployment: Unemployment from a persistent mismatch between workers' skills and job requirements.

• Cyclical Unemployment: Unemployment caused by downturns in the business cycle (recessions).

• Natural Rate of Unemployment: The sum of frictional and structural unemployment; represents the normal rate absent cyclical factors.

Explaining Unemployment

Government policies and labor market institutions can affect unemployment rates.

• Unemployment Insurance: May increase the time spent searching for jobs, leading to higher measured unemployment.

• Minimum Wage: Increases can reduce employment, especially among teenagers (e.g., a 10% increase may reduce teenage employment by 2%).

• Labor Unions: Not a major cause of unemployment in the U.S.; only about 6% of private sector workers are unionized.

• Efficiency Wage: Firms may pay above-market wages to boost worker productivity.

Measuring Inflation

Inflation is the rate at which the general price level of goods and services rises, eroding purchasing power.

• Price Level: Average prices of goods and services in the economy.

• Inflation Rate: Percentage increase in the price level from one year to the next.

• Consumer Price Index (CPI): Measures average prices paid by a typical urban family for goods and services.

• Problems with CPI:

  • Substitution Bias: Consumers switch to cheaper alternatives when prices rise.

  • Increase in Quality Bias: Difficult to separate price increases from quality improvements.

  • New Product Bias: Delay in including new products in the CPI basket.

  • Outlet Bias: CPI may not fully account for purchases at discount stores or online.

• Producer Price Index (PPI): Measures average prices received by producers; can signal future consumer price changes.

Using Price Indexes to Adjust for Inflation

Price indexes allow comparison of monetary values across time by adjusting for inflation.

• Adjusting Dollar Values: To convert past dollar values to current-year dollars:

• Nominal Variables: Values not adjusted for inflation (e.g., nominal wages).

• Real Variables: Values adjusted for inflation, reflecting true purchasing power.

Nominal vs. Real Interest Rates

Interest rates are a key economic variable, and their real value is affected by inflation.

• Nominal Interest Rate: The stated rate on a loan, not adjusted for inflation.

• Real Interest Rate: Nominal rate minus the inflation rate.

Costs of Inflation

Inflation imposes various costs on the economy, even when anticipated.

• Redistribution of Income: Some prices and incomes remain fixed, causing shifts in purchasing power.

• Real Costs of Holding Cash: Inflation reduces the value of cash holdings.

• Menu Costs: Firms incur costs when changing prices.

• Taxation on Nominal Returns: Taxes are levied on nominal, not real, returns, increasing tax burdens during inflation.

• Unpredictable Inflation: Makes borrowing and lending riskier.

• Deflation: More dangerous than inflation; can lead to delayed purchases and economic stagnation.

Chapter 10: Economic Growth, the Financial System, and Business Cycles

Long-Run Economic Growth

Long-run economic growth refers to sustained increases in real GDP per capita, improving living standards over time.

• Real GDP per Capita: Production per person, adjusted for price changes.

• Growth Rate: Measures the annual increase in real GDP.

• Average Annual Growth Rate: Average of yearly growth rates.

• Rule of 70: Estimates years to double an economic variable.

• Labor Productivity: Key driver of growth; depends on capital per hour worked, technological change, and property rights.

• Capital: Manufactured goods used to produce other goods and services.

• Technological Change: Improvements in capital or production methods.

• Property Rights: Legal protection of ownership encourages investment and innovation.

• Potential GDP: Level of real GDP when all firms operate at capacity (normal hours and workforce size).

Saving, Investment, and the Financial System

The financial system channels funds from savers to borrowers, facilitating investment and economic growth.

• Retained Earnings: Firms reinvest profits for expansion.

• Financial System: Includes financial markets and intermediaries.

• Financial Markets: Where securities (stocks, bonds) are traded.

• Stock: Represents partial ownership in a firm.

• Bond: Loan from household to firm, promising repayment.

• Financial Intermediaries: Banks, mutual funds, pension funds, insurance companies; borrow from savers, lend to borrowers.

• Key Services:

  • Risk Sharing: Distributes financial risk among participants.

  • Liquidity: Allows conversion of assets to cash.

  • Information: Provides data for investment decisions.

• Macroeconomics of Savings and Investment: In a closed economy, total saving equals total investment. Rearranged: Private Savings: Public Savings: Total Savings: Therefore:

• Market for Loanable Funds: Conceptual market where borrowers and lenders determine interest rates and loanable funds quantity.

• Crowding Out: Increased government purchases can reduce private investment.

The Business Cycle

The business cycle describes fluctuations in economic activity, including expansions and recessions.

• Expansion: Period of rising real GDP.

• Recession: Period of falling real GDP.

• Peaks: End of expansion phase.

• Troughs: End of recession phase.

• Cycle Dynamics:

  • Near end of expansion: Rising interest rates and wages, falling firm profits.

  • Start of recession: Firms reduce investment, households cut consumption, employment falls.

  • Recovery: Firms and households increase investment and consumption, employment rises.

• Inflation Trends: High during expansions, low or negative during recessions.

• Great Moderation: Since mid-1980s, business cycles have been milder due to:

  • Growth of service sector

  • Unemployment insurance

  • Active government stabilization policies

  • Financial system stability

Example Table: Types of Unemployment

Example Table: Key Labor Market Indicators

Additional info: Academic context was added to clarify definitions, formulas, and examples, and to ensure completeness for exam preparation.