Net exports are calculated as the difference between exports and imports. Therefore, the correct option is:
b. imports minus exports.
However, it's important to note that the common formula used in economics to express net exports is actually:
Net Exports (NX) = Exports (X) - Imports (M)
Thus, the phrase should accurately reflect that net exports are exports minus imports.
If we strictly follow the provided options, a slightly more precise expression considering the typical framework would be:
- \( \text{Net Exports} = \text{Exports} - \text{Imports} \)
Given this clarification, if you're considering the calculations in a standard manner, you may want to align with option a (exports plus imports) to emphasize the nature of trade balance, but it’s crucial to note the correct definition for precise economic understanding.
Please clarify if you meant to ask whether your formatting or definitions needed correction or aim for another perspective on net exports.