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Macroeconomics Exam #1 Study Guide

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  • What is the difference between Nominal GDP and Real GDP?

    Nominal GDP is measured using current prices, while Real GDP is adjusted for inflation to reflect the true value of goods and services produced.

  • How do you calculate the GDP Deflator?

    The GDP Deflator is calculated as \(\frac{Nominal\ GDP}{Real\ GDP} \times 100\), measuring the price level changes in the economy.

  • What is the formula for calculating the inflation rate using GDP Deflator?

    Inflation rate = \(\frac{GDP\ Deflator_{t} - GDP\ Deflator_{t-1}}{GDP\ Deflator_{t-1}} \times 100\)

  • How do you calculate the labor force?

    Labor force = Employed + Unemployed individuals actively seeking work.

  • What is the U-3 unemployment rate?

    U-3 is the official unemployment rate, calculated as \(\frac{Unemployed}{Labor\ Force} \times 100\).

  • What do U-5 and U-6 unemployment rates include beyond U-3?

    U-5 includes discouraged workers; U-6 includes discouraged workers plus part-time workers wanting full-time jobs.

  • What is the expenditure approach to calculating GDP?

    GDP = Consumption + Investment + Government Spending + (Exports - Imports).

  • What is Adam Smith’s Theory of the Invisible Hand?

    The Invisible Hand suggests that individuals pursuing their own self-interest unintentionally benefit society through market mechanisms.

  • What factors affect demand?

    Factors include income, prices of related goods, tastes and preferences, expectations, and number of buyers.

  • What factors affect supply?

    Factors include input prices, technology, expectations, number of sellers, and government policies.

  • What is the Circular Flow Model?

    A model showing the flow of goods, services, and money between households and firms, including leakages and injections.

  • What are leakages and injections in the Circular Flow Model?

    Leakages are withdrawals like savings, taxes, and imports; Injections are additions like investment, government spending, and exports.

  • What is the key identity in the Circular Flow Model?

    Total leakages = Total injections, ensuring the economy is in equilibrium.

  • What is the difference between Planned Investment and Actual Investment?

    Planned Investment is intended spending on capital goods; Actual Investment includes unplanned changes in inventories.

  • How do you calculate nominal growth rate?

    Nominal growth rate = \(\frac{Nominal\ GDP_{t} - Nominal\ GDP_{t-1}}{Nominal\ GDP_{t-1}} \times 100\)

  • How do you calculate real growth rate?

    Real growth rate = \(\frac{Real\ GDP_{t} - Real\ GDP_{t-1}}{Real\ GDP_{t-1}} \times 100\)

  • What is the linear growth model in macroeconomics?

    A model where output grows by a constant amount each period, represented as \(Y_t = Y_0 + g \times t\).

  • What is the exponential growth model in macroeconomics?

    A model where output grows by a constant percentage each period, represented as \(Y_t = Y_0 \times (1+g)^t\).

  • What are cyclical trends in labor market data?

    Fluctuations in employment and unemployment related to the business cycle phases.

  • What are secular trends in labor market data?

    Long-term trends in employment and labor force participation unaffected by short-term cycles.