1) To get good consistent grades, you'll need to lose some part of your free time. The opportunity cost in this situation is losing some of your free time. 2) You're deciding to buy a calculator. The options are a Ti-83 and a Ti-84. While the Ti-83 is $35 cheaper, the Ti-84 has color and is slimmer. You understand that by choosing one of the options, you lose the chance to have the other one. This is called a tradeoff. 3) Because of the Covid-19 outbreak, TSMC couldn't produce as many computer chips as it used to, making it more scarce, and causing a shortage in the graphics card industry. 4) If the government prints too much money, the value of their money decreases, because it has become less scarce.

Leaderboard

Visual style

Options

Switch template

Continue editing: ?