2. Consider an economy in which goods market, money market, and labor market are in equilibrium according to the following equations: (1) S(Y,i) = 1(1)+D (S, = as/aY > 0,S, = as/di > 0, I' = di/ di 0) MS (ii) L(Y,D) = ( Ly = OL/OY >0 and L, = OL/di 0) W (iv) S'(N) =- (f"(N)=d' f/dN'