选择题：Refer to the figure below. The opportunity cost of increasing medical care from 200 to 400 units is __ the opportunity cost of increasing medical care from 400 to 600 units.

You have noticed that your next-door neighbor, Mary, always works in the garden, and her husband, Joe, always walks the dog. You conclude that if Joe and Mary are efficient, then it must be the case that:这是一个关于微观经济学 中国大学MOOC微观经济学的相关问题，下面我们来看答案是什么，You have noticed that your next-door neighbor, Mary, always works in the garden, and her husband, Joe, always walks the dog. You conclude that if Joe and Mary are efficient, then i

The Principle of Increasing Opportunity Costs states that:这是一个关于微观经济学 中国大学MOOC微观经济学的相关问题，下面我们来看答案是什么，The Principle of Increasing Opportunity Costs states that:A.when increasing production, resources with the lowest opportunity costs should be used first.B.opportunity costs increas

建筑工程一切险的除外责任包括()造成的损失。A、台风 B、暴雨引起的地面下陷 C、雷电引起火灾 D、自然磨损

The benefits of specialization can be used to explain why:这是一个关于微观经济学 中国大学MOOC微观经济学的相关问题，下面我们来看答案是什么，The benefits of specialization can be used to explain why:A.individuals and nations benefit from trade.B.workers prefer to work on a variety of tasks during the day.C.big companies

Moe divides his time between studying Physics and studying Economics. His production possibilities curve for his final grade in each class is shown below. Both of Moe’s professors require at least a 65 to pass and a 90 to earn an A. Which of the following这是一个关于微观经济学 中国大学MOOC微观经济学的相关问题，下面我们来看答案是什么，Moe divides his time between studying Physics and studying Economics. His production possibilities curve for his final grade in each class is shown below. Both of Moe’s professors