Answer:
The correct answer is because the over-consume
Explanation:
The over-consumption of the services provided by health insurance companies are athe main reason of the inefficency of the system because in the end the consumer is paying a price that is below the standards for these services provided because of the nominal fee so the unbalance in the system's market ends up affecting the whole system in a very negative way, leading to an inefficient outcome.
It was parchment, I believe, but I'm not 100% sure.
A Trade barrier are laws that limits free trades between countries or nations, An Embargo are type of laws that specifically cuts off trades, it may be import or export into specific countries. Either of these answers fit your question.