movement from X to X’ can result from …
[1] a depreciation of the rand against the dollar.
[2] an appreciation of the rand against the dollar.
[3] an increase in domestic income.
[4] a decrease in domestic income.
X, Z
Y
𝑋ത X = 𝑋ത
Z= 𝑍ҧ+ 𝑚𝑌
𝑍ҧ
𝑋ത′
If X is exports, then the movement from X to X’ can result from an increase in domestic income.
So, the correct answer is [3].
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