| A | B |
|---|
| market failure | inadequate competition, information |
| negative externality | unwanted harm suffered by third party |
| public good | collectively consumed |
| resource immobility | factors of production do not move |
| price discrimination | charging different prices for same product |
| public disclosure | reveal information to public |
| product differentiation | real or imagined differences |
| nonprice competition | advertising, giveaways |
| market structure | nature and degree of competition |
| oligopoly | market structure with few sellers |
