Government Expenditure

Transcription

1 Fiscal Policy Part I Much fiscal policy is implemented, not through spending increases, but through tax credits and other so-called tax expenditures. The markets should respond to them as they do spending cuts, with little contraction in economic activity. Alan Greenspan

2 Taxes and Spending In 1902, the federal government employed fewer than 350,000 people and spent about $650 million. Today, the federal government employs over 4 million and spends over $ 2 trillion.

3 Government Revenue Government expansion started with the 16th Amendment to the US Constitution (1913) which extended the taxing power to incomes. Today, the federal government collects over $2 trillion a year in tax revenues.

4 Government Expenditure Government spending directly affects aggregate demand. Aggregate demand is the total quantity of output demanded at alternative price levels in a given time period, ceteris paribus.

5 Purchases vs. Transfers Government purchases are part of aggregate demand, income transfers are not. Income transfers are payments to individuals for which no current goods or services are exchanged.

6 Fiscal Policy The federal government can alter aggregate demand by: purchasing more or fewer goods and services raising or lowering taxes changing the level of income transfer

7 Fiscal Policy From a macro perspective, the federal budget is a tool that can change aggregate demand and macroeconomic outcomes. Fiscal policy is the use of government taxes and spending to alter macroeconomic outcomes.

8 Diagram: Fiscal Policy DETERMINANTS OUTCOMES Internal market forces AS Output Jobs External shocks Prices Growth Policy levers: Fiscal policy AD International balances

9 Fiscal Stimulus Suppose the economy is experiencing a recessionary GDP gap of $400 billion. The recessionary GDP gap is the difference between full-employment GDP and equilibrium GDP.

10 Price Level (average price) Chart: The Policy Goal AS Full-employment GDP P E AD 1 a b GDP Equilibrium GDP gap Q E = = Q F Real GDP (trillions of dollars per year)

11 Keynesian Strategy From a Keynesian perspective, the way out of recession is to get someone to spend more on goods and services. A fiscal stimulus is tax cuts or spending hikes intended to increase (shift) aggregate demand.

12 Keynesian Strategy Two strategic policy questions must be answered: By how much do we want to shift the AD curve to the right? How can we induce the desired shift?

13 The Fiscal Target If the GDP gap is $400 billion, why not just increase AD by that much?

14 The Naive Keynesian Model An increase in AD by $400 billion will achieve full employment in the naive Keynesian policy. An increase in aggregate demand by the amount of the GDP gap will achieve full employment only if the aggregate supply curve is horizontal.

15 Price Level Changes When the AD curve shifts to the right, the economy moves up the AS curve, not horizontally to the right. Both real output and prices change.

16 Price Level Changes Shifting (increasing) aggregate demand by the amount of the GDP gap will achieve full employment only if the price level doesn t rise.

17 The AD Shortfall So long as the AS curve slopes upward, AD must increase by more than the size of the recessionary GDP gap to achieve full employment.

18 The AD Shortfall The AD shortfall is the amount of additional aggregate demand needed to achieve full employment after allowing for price level changes. The AD shortfall is the fiscal target.

19 Price Level (average price) Chart: The AD Shortfall AD 3 AS P E AD 1 AD 2 Recessionary GDP gap a c b d e AD shortfall Q E = 5.6 Q F = Real GDP (trillions of dollars per year)

20 More Government Spending Increased government spending is a form of fiscal stimulus.

21 Multiplier Effects Every dollar of new government spending has a multiplied impact on aggregate demand.

22 Multiplier Effects How much of a boost the economy gets depends on the value of the multiplier. The multiplier is the multiple by which an initial change in aggregate spending will alter total expenditure after an infinite number of spending cycles.

23 Multiplier Effects The total spending change equals the multiplier times the new spending injections. total change in spending = multiplier x new spending injection

24 Multiplier Effects The impact of fiscal stimulus on aggregate demand includes the new government spending plus all subsequent increases in consumer spending triggered by the additional government outlays: increase in AD = multiplier x fiscal stimulus

25 Price Level (average price) Chart: Multiplier Effects Direct impact of rise in government spending + $200 billion Indirect impact via increased consumption + $600 billion P 1 b a Current price level AD 2 AD Q E AD Real GDP ($ trillions per year)

26 The Desired Stimulus The general formula for computing the desired stimulus is a simple rearrangement of the earlier formula: desired fiscal stimulus = desired AD increase multiplier

27 CONTINUED IN FISCAL POLICY PART II