12.1 – measuring the nation’s output and income

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  • Macroeconomics – part of economics that deals with the economy as a whole and uses aggregate measures of output, income, prices, and employment
  • Gross Domestic Product is one of the most important macro measures that keep track of nation’s production, consumption, saving, and investment.

GDP – The measure of national output

  • Gross domestic product (GDP) – the dollar value of all final goods, services, and structures produced within a country’s national borders during a one-year period, measure of final output
  • To calculate the GDP, you multiply the good/service produced in a year by their prices, then adds them up to get the total dollar value of production
  • Intermediate products – products that are components of other final products included in GDP
  • Secondhand sales – sales of used goods not included in GDP
  • Nonmarket transaction – economic activity not taking place in the market and, therefore, not included in GDP
  • Underground economy – unreported legal and illegal activities that do not show up in GDP statistics
  • GDP must be adjusted for inflation using base year
  • Base year – year serving as point of comparison for other years in a price index or other statistical measure
  • Real GDP – gross domestic product after adjustments for inflation
  • Current GDP – gross domestic product measured in current prices, unadjusted for inflation
  • Adjust GDP for population by GDP per capita
  • GDP per capita – gross domestic product on a per person basis; can be expressed in current or constant dollars
  • Limitation of GDP
    • GDP tells us nothing about the composition of output
    • GDP tells little about the impact of production on the quality of life
    • GDP is produced to control activities that give us little utility or satisfaction, thus making GDP even larger
  • GDP is our best measure of overall economic performance and well-being, because it is a measure of the voluntary transactions that take place in the market.

Economic sectors and circular flows

  • Largest sector in the economy is the household – basic unit of consumer sector consisting of all person who occupy a house, apartment, or separate living quarters
  • Unrelated individual – person living alone even though that person may have relatives living elsewhere
  • Family – two or more persons living together who are related by blood, marriage, or adoption
  • Second largest sector of macro economy is the business, or investment; consist of proprietorships, partnerships, and corporations that are responsible for producing the nation’s output
  • The third sector is public sector, which includes all local, state, and federal levels of government.
  • Forth sector is the foreign sector, which includes all consumers and producers outside of US.

The output expenditure model

  • Output expenditure model – macroeconomic model describing aggregate demand by the consumer, investment, government, and foreign sectors
  • GDP = consumer + investment + government + (X – M)
  • (X-M) or net exports of goods and services – net expenditures by the foreign sector; equal to total exports less total imports

Chapter 13 – Economic instability

7B – section 1 – business cycles and fluctuations

  • Business cycles – regular increases and decreases in real GDP
  • Business fluctuations – irregular increases and decreases in real GDP

Business cycles and characteristics and causes

  • The two phrases of business cycle are recession and expansion
  • Recession – decline in real GDP lasting at least two quarters
  • Peak – point in time when real GDP stops expanding and begins to decline
  • Trough – point in time when real GDP stops declining and begins to expand
  • Expansion – period of interrupted growth of real GDP
  • Trend line – growth path the economy would follow if it were not interrupted by alternating periods of recession and recovery
  • Depression – state of the economy with large numbers of unemployed people, declining real incomes, overcapacity in manufacturing plants, and general economic hardship
  • Changes in capital expenditures are thought to be one cause of business cycle
  • Innovation may be a cause also; competitions
  • Another possible cause is Federal Reserve system’s policy on interest rates; low interest increase demand for loans
  • External shocks such as oil prices, wars, and international conflicts

Forecasting business cycles

  • Change in single statistics often indicates a change in GDP
  • Leading economic indicator – statistical series that turns down before the economy turns down, or up before the economy turns up
  • Several individual series of indicators are more accurate, often combined into an overall index
  • Composite index of leading economic indicators (LEI) – composite index of 10 economic series that move up and down in advance of changes in the overall economy; statistical series used to predict turning points in the business cycle
  • Econometric model – mathematical expression used to describe how the economy is expected to perform in the future
  • GDP = C + I + G + (X – M)
READ:
Economics Unit 6 – Money, Banking, and the Fed

13.2 – inflation

  • Inflation – increase in the general level of prices of goods and services
  • Deflation – decrease in the general level of prices for goods and services

Measuring prices and inflation

  • Price index – statistical series used to measure changes in the price level over time
  • Consumer price index (CPI) – series used to measure price changes for a representative sample of frequently used consumer items
  • Market basket – representative selections of goods and services used to compile a price index
  • Find the average price of each item in the market basket, then add up the prices to find the total cost of the market basket
  • Base year – year serving as point of comparison for other years in a price index or other statistical measure
  • Dividing the cost of every market basket by the base year market basket cost in order to convert it to index value
  • Percentage change is found by dividing the change in the CPI by the beginning value of the CPI.
  • Rate of inflation t4nds to change over long periods of time
  • Creeping inflation – relatively low rate of inflation, usually 1 to 3 percent annually
  • Hyperinflation – inflation in excess of 500 percent per year
  • Usually the last stage before a total monetary collapse
  • Stagflation – period of slow economic growth coupled with inflation
  • Producer price index (PPI) – index used to measure prices received by domestic producers
  • Implicit GDP price deflator – index used to measure price changes in GDP
  • But CPI remains to be the most popular

Causes of inflation

  • Demand pull inflation – explanation that prices rise because all sectors of the economy try to buy more goods and services than the economy can produce
  • Prices are pulled up by demand, and consumers continue to purchase these items, leaving them in debt
  • Cost push inflation – explanation that rising input costs, especially energy and organized labor, derive up the prices of products
  • It may occur when there is an increase in oil prices
  • Wage price spiral is the idea that workers ask for higher wages due to the high prices, producers try to recover these lost by raising their prices
  • Excessive monetary growth is another explanation. Occurs when money supply grows faster than real GDP

Consequences of inflation

  • The devalue of dollar and erode purchasing power
  • Change people’s spending habits
  • Tempts some people to speculate heavily in an attempt to take advantage of rising prices
  • Alter the distribution of income
  • Creditors – person or institution to whom money is owed
  • Debtors – person who borrows and therefore owes money

7C – 13.3 – unemployment

Measuring unemployment

  • Civilian labor force or labor force – non institutionalized part of the population aged 16 and over, either working or looking for a job
  • unemployed – working for less than one hour per week for pay or profit in a non family owned business, while being available and having made an effort to find a job during the past month
  • unemployment rate – percentage of people in the civilian labor force who are classified as unemployed
  • number of unemployed persons/ civilian labor force
  • unemployment rates are underestimated
    • does not count those too frustrated or discouraged
    • considered employed even when they only hold part time jobs

sources of unemployment

  • frictional unemployment – unemployment involving workers changing jobs or waiting to go to new ones
  • structural unemployment – unemployment caused by a fundamental change in the economy that reduces the demand for some workers
  • outsourcing – hiring outside firms to perform non-core operations to lower operating costs
  • technological unemployment – unemployment caused by technological developments or automation that makes some workers’ skills obsolete
  • cyclical unemployment – unemployment directly related to swings in the business cycle
  • seasonal unemployment – unemployment caused by annual changes in the weather or other conditions that reduce the demand for jobs

costs of instability

  • economic instability carries enormous costs and can be measured
  • GDP gap – difference between what the economy can and does produce
  • Misery index or discomfort index – unofficial statistic that is the sum of the monthly inflation and unemployment rates
  • When its unstable, there is a factor of uncertainty
  • Politicians are also affected
  • Higher crime rates

14.3 – conducting monetary policy

  • Monetary policy – actions by the federal reserve system to expand or contract the money supply in order to affect the cost and availability of credit
  • Interest rate – the price of credit to a borrower
  • Easy money policy – monetary policy that results in lower interest rates and greater access to credit
  • Tight money policy 0 monetary policy that results in higher interest rates and restricted access to credit
  • For reserve requirements that congress passed, the Fed can change it around within border
  • Total MBRs/reserve requirements
  • Open market operations – sales or purchases of US government securities by the Fed
READ:
Economics Unit 4 – Free enterprise capitalism

15.1 – 7d – Macroeconomic equilibrium

  • Macroeconomics – part of economics that deals with the economy as a whole

Aggregate supply and demand

  • Equilibrium price – price where quantity supplied equals quantity demanded
  • Aggregated supply – the total value of all goods and services that all firms would produce in a specific period at various price levels
  • Aggregate supply curve – hypothetical curve showing different levels of real GDP that would be produced at various price levels
  • Price level includes price of everything produced
  • Increases in aggregate supply are tied to the cost of production for an individual firm
  • Factors such as higher oil prices, higher interest rates, and lower labor productivity contributes
  • Aggregate demand – the total value of goods and services demanded at all different price levels
  • Aggregate demand curve – hypothetical curve showing different levels of real GDP that would be purchased at various price levels
  • Aggregate demand is affected by how much people decides to save compare to spend

Macroeconomic equilibrium

  • Aggregate supply and demand provide a framework to help us analyze the impact of economic policy on economic growth and price stability
  • Macroeconomic equilibrium – level of real GDP consistent with a given price level and marked by the intersection of aggregate supply and aggregate demand

15.2 – stabilization policies

  • Medicare – federal health care program for senior citizens regardless of income

Demand side policies

  • Designed to increase or decrease total demand in the economy
  • Fiscal policy – use of government spending and revenue collection measures to influence the economy
  • Keynesian economics – government spending and taxation policies suggested by john Maynard Keynes to stimulate the economy
  • Consumer sector among the equation is the most stable, and investment spending would be the least stable
  • Multiplier – magnified change in overall spending caused by a change in investment spending
  • Accelerator – change in investment spending caused by a change in overall spending
  • Temporary federal deficits can recover economy to its stable state.
  • Automatic stabilizers – program that automatically provides benefits to offset a change in people’s incomes
  • Entitlements – broad social programs that uses established eligibility requirements to provide health, nutritional, or income supplements to individuals
  • Unemployment insurance – government program providing payments to unemployed workers
  • Stabilizers are more effective due to the speed they can be implemented

Supply side policies

  • Supply side policies – economic policies designed to stimulate the economy by increasing production
  • Supply siders is reducing government’s role in the economy by
    • Reducing government agencies
    • Sped less at federal level
  • Goal of supply side policies and demand side policies have the same goal: increasing production and decreasing unemployment without increasing inflation
  • Deregulation – relation or removal of government regulations on business activities
  • Lower tax rates allow individuals to keep more of the money they earn, which encourages them to work harder
  • Limitation of supply side policies is lack of experience

Monetary policies

  • Monetarism – school of thought stressing the importance of stable monetary growth to control inflation and stimulate long term economic growth
  • Fluctuations in the money supply can be destabilizing element that leads to unemployment and inflation
  • Monetary policy in which the money supply is tightened is called a contractionary monetary policy
  • It changes the interest rate, which changes the GDP
  • Expansionary monetary policy with larger money supply, over longer period of time, can lower interest rates
  • Can act as inflation control
  • Wage price controls – policies and regulations making it illegal for firms to give raises or raise prices without government permission

15.3 – economics and politics

Changing nature of economic policy

  • Discretionary fiscal policy is policy that someone must choose ito implement
  • Passive fiscal policies do not require new or special action to go into effect
  • Structural fiscal policies are policies designed to strengthen the economy over a longer period of time
  • Less used today because
    • Various lags that inevitably occur between recognizing that there is a problem and actually doing something about it
    • Decline of discretionary fiscal policy is the gridlock that can occur when the political parties in congress oppose each other’s views on the budget
    • Ideology
  • Monetary policy – actions by the federal reserve system to expand or contract the money supply in order to affect the cost and availability of credit

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