Most simply, the formula for the equilibrium level of income is when aggregate supply (AS) is equal to aggregate demand (AD), where AS = AD. Adding a little complexity, the formula becomes Y = C + I + G, where Y is aggregate income, C is consumption, I is investment expenditure, and G is government expenditure.
Similarly one may ask, what is the equilibrium level of output?
Determination of Economic Equilibrium Level of Output! Output is at its equilibrium when quantity of output produced (AS) is equal to quantity demanded (AD). The economy is in equilibrium when aggregate demand represented by C + I is equal to total output.
Also, how do you calculate tax change? The most straightforward way to calculate effective tax rate is to divide the income tax expenses by the earnings (or income earned) before taxes. For example, if a company earned $100,000 and paid $25,000 in taxes, the effective tax rate is equal to 25,000 ÷ 100,000 or 0.25.
Correspondingly, what is the equilibrium price level and national output?
The equilibrium, in the macro sense, will occur at the level of real national income or output at which the total planned expenditure on output equals the quantity of goods and services firms are willing and able to supply. This is at an output level of Y* and a price level of P*.
How do you find short run equilibrium output?
- find the short run supply function of each firm, which involves.
- add together the short run supply functions to get the aggregate short run supply (if there are n identical firms, then we multiply each firm’s supply by n)
- add together the consumers’ demand functions to get the aggregate demand.