Answer:
A) Higher income taxes will cause a decrease in disposable income and this will affect personal expenditure which will cause the aggregate demand curve to shift leftwards ( decrease in price level and real GDP )
B)
i) Change in input price
ii) Change in production cost
iii) Increase in labor supply or increase in capital stocks
Explanation:
A) Effects of higher income taxes on aggregate demand curve
i) Higher income taxes will cause a decrease in disposable income and this will affect personal expenditure which will cause the aggregate demand curve to shift leftwards ( decrease in price level and real GDP )
B) The factors that will cause the short-run aggregate supply curve to shift
a) Change in input price
b) Change in production cost
c) Increase in labor supply or increase in capital stocks
