Economic Policy Flashcards
What is Economic Policy?
Any govt intervention in the economy.
e.g. monetary, fiscal, agriculture, etc.
What are external variables?
- outside the influence of policymakers e.g wars, import prices
What are instruments?
- adjust by policymakers to obtain the target e.g. interest rates, fiscal expenditure.
What are Endogenous Variables?
- are affected by the exogenous variables
- whether a variable is exogenous or endogenous often depends on the model.
fixed and flexible policies?
- govts can pursue fixed or flexible policies regarding the use of instruments.
fixed policy rule:
the use of the instrument is predetermined irrespective of whether the target is achieved.
Flexible Policy Rule?
- the use of the instrument is contingent upon the outcome of the target variable.
Discretionary policy?
- discretionary policy occurs when the use of and extent of use of instruments is determined on a case by case basis.
Inflation?
- inflation is the rate of change of the average level of prices, almost always expressed as a %. usually on an annual basis.
usually CPI consumer price index.
The fisher equation and the cambridge equation
M: stock of money V: velocity of money P: price level Y: real output of goods and services MV = PY
Velocity of money?
- is the average number of times a unit of money is exchanged in a given period usually a year.
causes of inflation/deflation?
inflation/deflation is determined by the money supply and the growth of real output in the long run.
- changes in the money supply will also influence inflation/defltion in the short term
- shofts in aggregate demand and short run agg. supply wil also affect inflation/deflation in the short term.
Disadvantages to inflation?
- disincentivises lending (inc to the govt)
- one solution is inflation index bonds, adjustable rate mortgages, etc
- price adjustment costs known as menu costs.
- high inflation is associated with high volatility and muffled price signals
- misallocation of economic resources.
Disadvantages of deflation?
- disincentivises borrowing for investment
- injurious to producers as lag between purchase of factor inputs and revenue
- potential effect on employment (and real output)
What is hyperinflation?
- when monthly inflation exceeds 50%
monetary policy: What is nominal income targeting?
- rather than target an inflation rate.
- central banks can target a nominal income growth rate