Fill in the Blanks EDGE Economics Lessons 1-5 Online version Part 2- This is a review designed to help you go over some of the terms students found challenging in the first 5 lessons! It's important to learn how to use these important vocabulary terms in context, especially for your final essay and test. by Benjamin Fanning 1 equity opportunity cost demand law elasticity demand economic Tony buys a pizza and with that same amount of money he could have bought a Coke and a hot dog . The is the Coke and hot dog . " I certainly don't consider it when my neighbor's house has five bedrooms , and I have to share a room with my kid ! " If your business is going well , and you can't keep the products on the shelf , then the of dictates you should raise the price . The price of gas is based on the of . In the summertime when people like to travel , and the price of gas tends to rise .