An open economy has the following pattern of income and domestic expenditure:
|
Variable / Year
|
Year 1 (£)
|
Year 2 (£)
|
Year 3 (£)
|
|
National income
|
500
|
250
|
200
|
|
Government expenditure
|
200
|
250
|
200
|
|
Private consumption
|
250
|
300
|
250
|
|
Investment
|
50
|
200
|
200
|
For each of the three years, evaluate the balance of trade facing the economy.