3. Consider an intertemporal model. Suppose that supply and
demand are equal initially in the goods, labor, and money market.
Due to COVID-19 consumers purchase only small amount of goods and
services in the market, although firms can still produce output
goods sufficiently.
(a) Draw the labor market(Ns/ Nd), output goods market(Ys/ Yd)
and money market graphs (Ms/ Md) and then determine the effect of
COVID-19 on the output level(y), the real interest rate(r), the
price level(P), employment(N), and real...