Imagine a country, where before 2015, the government often had a budget deficit, but the economy as a whole experienced a foreign trade surplus. After 2015, both the government budget and foreign trade account were running deficits.

(a)What does this imply about the relationship that existed between private saving and private domestic investment in the periods before and after 2015? Explain your answer.

(b)What does this imply for the country's net foreign investment? Explainthe term and explain the change.The country was a borrow before or after 2015? or in both periods? Give your explanations.

(c)Explain the relation between

(i)net exports and net foreign investment;

(ii)net foreign investment and net capital inflow.

(d)From the identity of injections and leakages derive theuses-of-private-saving identity. Explain this identity.

(e)From the identity of injections and leakages derive the budget deficit financing identity.Explain this identity.