*As always, this is not intended to be professional advice. This was written with ESL students in mind, designed for a basic #Economics class. We simply hope that it may be helpful to other students trying to understand the concept.
UNDERSTANDING THE PPF
The two lines you see up above are called Product Possibility Frontiers or the PPF.
Situation: Vietnam (越南) and Thailand (泰国) both are given $500 to make Swords (剑) or Bows & Arrows (弓箭). Because their money is limited (有限) (there is an end to the money), both countries need to decide how many they should make. Problem: if they spend money on swords, that means less money for bows and arrows. And if they spend money on bows and arrows, that means less money available for swords. It’s a CHOICE (or in economics — a TRADE-OFF).
They have three choices: 1) Make only Swords. 2) Make only Bows and Arrows. 3) Make some of both.
The green line (Vietnam) shows all the possible combinations (组合) that Vietnam can make if it uses ALL the money ($500). Continue reading
Deceptively Blonde 