Investment
When firms spend money on capital goods to increase their productive capacity
Two ways in which firms can invest :
1) borrow money 2) investing a retain profits they have
Two determinants of business confidence :
1) expected profit 2) expected demand in economy
Retained profit
Profit left after corporation taxes are paid.
Accelerator effect
there is an increase in rate of GDP which encourages further investment. If rate of GDP increases, encourage more investment, which will increase rate of rGDP, etc…
Determinants of consumption
Level of disposable income, interest rates, consumer confidence, asset prices, household indebtedness
MPC - marginal propensity to consume
The willingness of a household to spend any extra income earned.
Determinants of savings (C)
Levels of real disposable income, interest rates, consumer confidence, range of financial institutions, tax incentives, age structure of population
Economic growth
An increase in rGDP in an economy in a year caused by an increase in AD or increase in LRAS.
Long run growth (potential)
Increase in LRAS, increase in the productive capacity of the economy
why LRAS shifts
increase in quality / quantity of fop and in productive efficiency
LRAS determinants
Increase in labour productivity, workforce size, investment, infrastructure, competition, new resource discoveries
nominal GDP
Value of all final goods and services produced in an economy in a year
GDP / capita
Measure of independent incomes in the economy
Key issues of GDP and GNI
not accurate measure of output, parallel markets, impacts on society, pollution, resource depletion, ignores inequality and other factors
National income accounting
Measurement of economic activity involves measuring an economy’s national income or the value of output
expenditure approach
adds up all spending to buy final goods and services produced in a country over a time period
income approach
adds up all income earned by factors of production that produce all goods and services within a country over time
output approach
value of all final goods and services produced in an economy
GNI
total income received by the residents of a country
real
measuring eliminates the influence of price changes
nominal
measuring in terms of current prices
real GDP
total value of all final goods and services produced in an economy in a given time period, adjusted for inflation
real GNI
income earned by all national fop independently of where they are located over a period of time, adjusted for inflation
purchasing power parity (PPP)
amount of country’s currency that is needed to buy the same quantity of local goods and services that can be brought with 1 USD in the US.
positive part of business cycle
boom and expansion / growth
negative part of business cycle
contraction / trough
OECD better life index
initiative pioneering the development of economic indicators which better capture multiple dimensions of economic and social progress
Happiness index factors
real GDP per capita, social support, health life expectancy, freedom to make life choices, generosity, perceptions of corruption
Happy planet index
economic indicator from ecological point of view
Aggregate demand
total amount of real output that stakeholders want to buy at each price level, over a particular time period, c.p. The sum of all demand in the economy
determinants of investment
business confidence, intereste rates, technology, business tax, indebtness
determinants of government spending
changes in political and economic priorities
determinants of net exports
Real disposable income earned abroad / home, strong or weak exchange rates, protectionism, at home and abroad, relative inflation levels
depreciation
decreased value of exchange rate of currency value
appreciation
increased value of exchange rate currency
short run
period of time when resource prices do not change, usually wages
aggregate supply
total quantity of goods and services produced in an economy (rGDP) over a particular time period at different price levels.
Determinants of s-r aggregate supply
costs of fop, indirect taxes, subsidies, supply shocks
Long-run
period of time when all resource prices are flexible
Yfe
full employment level of output
inflationary gap
a situation where rGDP is greater than potential GDP, Y>Yfe
deflationary gap
a situation where rGDP is less than potential GDP, Yfe>Y
Full employment
exists when the economcy is producing at its potential level of real output and thus there is only natural employment. Yfe = Y
macroeconomic objectives
low unemployment, economic growth, low and stable inflation, sustainable level of government intervention, equity in the distribution of income
living standards
levels of income, wealth and consumption of goods and services including healthcare ad education
unemployment
the people above a certain age (working age) who are not working and who are actively looking for a job
labor force
number of people who are employed plus the number of people of working age population who are unemployed
hidden unemployment
people who are not included in the unemployment statistics due to reasons including : discouraged workers and underemployment
underemployment
people of working age with part-time jobs when they would rather work full-time or with jobs that do not make full use of their skills and education
discourage workers
people who have been out of a job for so long that they are discourage from even looking for work
difficulties in measuring unemployment
hidden unemployment, parallel markets, average
economic costs
less tax revenue, benefits, loss in rGDP, worsening of distribution of income, decrease in economic capacity
causes of unemployment
frictional, structural, cyclical, seasonal
natural rate of unemployment
structural, seasonal, frictional
cyclical unemployment
occurs during the downturns of the business cycle when the economy is in recession
structural unemployment
occurs as a result of changes in demand for particular types of labor skills, changes in geographical location of industries and labor market rigidities
labor market rigidities
prevent market forces from operating, stops demand and supply being equal
seasonal unemployment
occurs when the demand for labor in certain industries changes on a seasonal basis because of variations in needs
frictional unemployment
occurs when workers are between jobs or entering the labor force.
inflation
sustained increase in the general price level for two or more consecutive quarters
deflation
sustained decrease in the general price level
disinflation
when inflation occurs at a lower rate
basket goods
average spending of an average consumer on goods and services
issues with CPI as a measure of inflation
average, changes in consumption ?, substitutes, over a year
demand-pull inflation
inflation caused by an increase in AD
cost push inflation
inflation caused by an increase in cost of production causing a decrease in SRAS
stagflation
when an economy stagnates and experiences inflation
real world example of cost push inflation
energy crisis 2023 causing increase in fop
costs of high inflation
uncertainty, redistributive effects, effects on savings, damage to export competitiveness, impact on economic growth, inefficient resources allocation
hyperinflation
the price levels increase by more than 50% per month up to thousands or millions of percent per year
why does deflation occur rarely?
firms don’t decrease prices easily, there are fixed contracts and minimum wages.
costs of deflation
uncertainty, redistributive effects, deferred consumption, high cyclical unemployment, increase in debt, inefficient resource allocation, policy ineffectiveness
national debt
refers to the amount of money that a government owes to lenders outside of the government itself
budget deficit
tax revenue < gov spending
costs of high government debt
debt servicing costs, credit ratings, impact on future taxation and government spending
SR phillips curve
shows the relationship between inflation and unemployment in the SR and LR
demand side policies
focus on changing aggregate demand to achieve several macroeconomic goals
monetary policy
demand side policy carried out by the central bank. It involves manipulating AD through the use of money supply and interest rates.
roles of central bank
preserve stability, printing money, electronic payment systems, control interest rates, overseas commercial banks, banker for the government, exchange rates
expansionary monetary policy
aimed at increasing AD, so decreases interest rates in order to decrease cost of borrwing to increase investment and consumption, increasing AD
contractionary monetary policy
aimed to decrease AD, so increase interest rates in order to, increase cost of borrowing, decreasing investment and consumption, decreasing AD
inflation targeting
a central bank follows an explicit target for the inflation rate for the medium-term and announces this inflation target to the public i.e. 2%
external balance
a country’s revenues from exports are balanced by spending on imports over an extended period of time.
tools of monetary policy
open market operations, minimum reserve requirements, changes in base rate, quantitive easing
nominal rate of interest
market rate that prevails at any moment in time
real rate of interest
interest rate that has been corrected for inflation
government budget sources of revenue
direct and indirect taxation, sales of goods and services from state-owned entreprises, sales of government assets
types of expenditure
current expenditures, capital expenditures, transfer payments
current expenditures
spending on day to day operations
capital expenditures
spending by the gvoernment on physical capital
transfer payments
made by the government to individuaks, they receive nothing in return, i.e. pensiosn
fiscal policy
demand side policy using changes in government spending and / or direct taxation to influence AD
expansionary fiscal policy
an increase in government expenditures and / or a decrease in direct taxes that aim to increase AD
Contractionary fiscal policy
a decrease in government expenditures and / or an increase in direct taxes that aim to decrease AD
automatic stabilisers
institutionally built in features that tend to decrease the short term fluctuation of the business cycle without the need for the government to intervene, i.e. unemployment benefits
crowding out
rising public sector spending drives down or even eliminates private sector spending
keynesian multiplier
idea that an increase in any injection will lead to a greater increase in rGDP because an increase in spending generates additional income that leads to further spending and thus more income.
MPS
marginal propensity to save
supply side policies
government policies designed to shift the long run aggregate supply curve to the right, thus increasing potential output in the economy