Consider a Small Open Economy in Equilibrium

Essay

Consider a small open economy in equilibrium.What happens to the real interest rate,national saving,investment,and the current account balance in equilibrium in each of the following situations (each taken separately).Explain which curve shifts and why,and show a diagram explaining your results.(You may assume that none of the shocks is large enough to significantly affect labor supply or labor demand significantly.)
(a)wealth declines
(b)business taxes decline
(c)income rises temporarily