A Production Possibilities Frontier (PPF) always slopes down…

A Production Possibilities Frontier (PPF) always slopes down to represent the concept of opportunity cost, and it sometimes is bowed out. The PPF can be bowed out, because… i. the opportunity cost of each good is decreasing. ii. the opportunity cost of each good is increasing. iii. not all resources are equally suited to produce each good.  

Miguel has additional free time this evening. He ranks his a…

Miguel has additional free time this evening. He ranks his alternative ideas for what to do during that free time: first go swimming, second go on a date, and third watch one of Professor Rush’s lectures. He can only do one of these activities. What is Miguel’s opportunity cost of going swimming?