How is Keynes position different from classical position with respect to wages, prices, and Say’s law?.

Some of the practical problems relating to implementing expansionary Keynesian policy relate to lags. What are these lags and why are they problematic? It’s crucial to use some sort of example. 

The multiplier in the Keynesian model equals:

Brief explanation on keynesian model and its diagram

Consider the Keynesian IS-LM model. How would each of the following scenarios affect output, employment, the real interest rate and the price level in the short run? In the long run? Wealth decreases .An increase in immigration causes an increase in labor supply. The capital stock increases.

Consider a standard AD-AS model. If the SRAS curve is steep, a temporary tax cut leads to a relatively small increase in inflation and relatively large decrease in unemployment.Answer true, false, or uncertain. Please briefly explain your answer.

How would the level of aggregate demand be affected by a rise in the interest rate in the Keynesian theory? Which components would be affected most strongly?

According to the Keynesian model, which of the following would increase aggregate demand the most? a. Government drops the taxes for private businesses b. Government establishes a new agency financed by the government that helps the unemployed to find a job Increase in interest rates that results in the growth in investments into new equipment to O d. A decrease in government expenditures accompanied by the decrease in taxes e. Government expands its social projects and increases taxes to balance the budget

Using appropriate real-life macroeconomic example(s), compare and contrast Keynes' Law and Say's Law as they relate to aggregate demand and aggregate supply.