What causes aggregate demand to increase?
If consumption increases i.e. consumers are spending more, therefore aggregate demand for goods and services will increase. Additionally, if investment increases i.e. if there is a fall in interest rates, then production will increase as technology improves and output increases. Therefore, demand will rise.
How the aggregate demand curve can be shifted by a reduction in interest rates?
When government spending decreases, regardless of tax policy, aggregate demand decrease, thus shifting to the left. Thus, policies that raise the real exchange rate though the interest rate will cause net exports to fall and the aggregate demand curve to shift left.
How does a decrease in aggregate demand affect unemployment?
As aggregate demand increases, unemployment decreases as more workers are hired, real GDP output increases, and the price level increases; this situation describes a demand-pull inflation scenario. As more workers are hired, unemployment decreases.
Why is the supply curve perfectly elastic in the long run?
The long-run market equilibrium is conformed of successive short-run equilibrium points. The supply curve in the long run will be totally elastic as a result of the flexibility derived from the factors of production and the free entry and exit of firms (imagine the firm-entry process portrayed before a few more times).
What is the short run supply curve of a perfectly competitive firm?
In a perfectly competitive market, the short run supply curve is the marginal cost (MC) curve at and above the shutdown point. The portions of the marginal cost curve below the shutdown point are no part of the supply curve because the firm is not producing in that range.
What’s the long run supply curve?
The long-run supply curve in an industry in which expansion does not change input prices (a constant-cost industry) is a horizontal line. The long-run supply curve for an industry in which production costs increase as output rises (an increasing-cost industry) is upward sloping.
How do you know if a graph is long run or short run?
“The short run is a period of time in which the quantity of at least one input is fixed and the quantities of the other inputs can be varied. The long run is a period of time in which the quantities of all inputs can be varied.
What does a short run supply curve look like?
Short‐run supply curve. The firm’s short‐run supply curve is the portion of its marginal cost curve that lies above its average variable cost curve. As the market price rises, the firm will supply more of its product, in accordance with the law of supply.