questions
100

how much additional utility/satisfaction is gained from consuming or using another unit of a product

marginal utility

200

how willing consumers are to pay for something even if its at a high price

price elasticity

300

the cost of not taking the next best alternative choice

opportunity cost

400

shows how money and production resources flow through an economy

the circular flow model

500

something that causes others that weren't originally part of a transaction or event to become part of it

externalities