If a good is consumed when used (like a hamburger) it is considered . If a consumer can be prevented from using or consuming a good (without first paying or meeting some criteria), like a coffee at Starbucks, the good is considered . If a good has both of the characteristics described in the above (1) and (2) statements, it is considered a If a good's consumption doesn't diminish another's ability to consume the same good (like a website) it is considered . If a consumer cannot be prevented from using a good (like watching a fireworks display), the good is considered . If a good has both of the characteristics described in the above (3) and (4) statements, it is considered a Jackie pays for internet for herself, but her neighbor has a strong enough signal to use Jackie's internet without paying. Jackie's neighbor is a(n) . In a market transaction, the consumer and/or producer benefits from that transaction. Sometimes, a third party is either benefited or harmed by that market transaction. This benefit or harm is specifically called a(n) . This would have the free-market cause deadweight loss, which is more generally called a(n) . Imagine Stephan purchases