In the monetary intertemporal model seen in class, explain and illustrate graphically how decreases in z and z' affect the economy using output supply and demand, labour supply and demand and money supply and demand. (Assume that the direct effect of a decrease in z on the supply of goods is larger that the anticipated decrease in future TFP, z').

2- Explain the effects on real interest rate, wages, aggregate output, prices, employment, consumption, and investment

3- Suppose that the government decides to print money to finance a lump sum transfer of money to the representative consumer. Explain and illustrate graphically what would happen in the goods market, output market and money market as a result of this one-time printing of money.