Difficulty: Medium

Average Score: 67%

Italy has comparative advantage in wine, Greece in olives. We may conclude:

Rationale

Slopes of PPCs cannot be identical.

The concept of comparative advantage indicates that different countries will have different opportunity costs for producing goods. Since Italy has a comparative advantage in wine and Greece in olives, their Production Possibility Curves (PPCs) must reflect differing slopes, demonstrating the varying trade-offs each country faces in resource allocation.

A (Greek olive workers are more productive) YOUR ANSWER

This statement does not necessarily hold true. Comparative advantage does not imply that Greek workers are more productive in absolute terms; rather, it suggests that Greece can produce olives at a lower opportunity cost compared to Italy. Productivity can vary independently of comparative advantage.

B (Greece devotes more resources to olives) YOUR ANSWER

While Greece may allocate a significant portion of its resources to olive production, this does not confirm that it has a comparative advantage in olives. Comparative advantage is determined by opportunity costs, not solely by the quantity of resources devoted to a particular good.

C (Italian winemakers are more productive) YOUR ANSWER

Similarly to the previous choices, this statement conflates productivity with comparative advantage. Italy may be more efficient in producing wine than Greece, but this does not directly relate to the concept of comparative advantage, which is based on the relative opportunity costs of production.

D (Slopes of PPCs cannot be identical) CORRECT

This statement accurately reflects the principle of comparative advantage. If the slopes of the PPCs were identical, it would imply that the opportunity costs of producing wine and olives are the same for both countries. However, since Italy and Greece have different comparative advantages, their PPCs will have different slopes, indicating varying opportunity costs.

Conclusion

In summary, the principle of comparative advantage underscores the importance of differing opportunity costs in determining the production capacities of nations. Since Italy and Greece have specialized advantages in wine and olives respectively, their PPCs must reflect unique slopes, confirming that their trade-offs in production are not identical. This fundamental economic concept allows countries to trade efficiently, maximizing their resource utilization based on their comparative strengths.

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