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May 18, 2026 

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IMPLICIT OPPORTUNITY COST: An opportunity cost that does NOT involve a money payment or a market transaction. This should be contrasted with explicit cost that DOES involve a money payment or a market transaction. The common misconception among non-economists out there in the real world is that the term "cost" is synonymous with the term "payment," that is, all costs are explicit costs, to be a cost you have to give up some money. Well, I'm here to tell you that this isn't true. Cost is opportunity cost. It's the satisfaction NOT received from activities NOT pursued. It's the value of foregone production. And not all opportunity costs involve a money payment.

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MONOPOLISTIC COMPETITION, CHARACTERISTICS

The four key characteristics of monopolistic competition are: (1) large number of small firms, (2) similar but not identical products sold by the firms, (3) relative freedom of entry into and exit out of the industry, and (4) extensive knowledge of prices and technology.

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APLS

BLACK DISMALAPOD
[What's This?]

Today, you are likely to spend a great deal of time driving to a factory outlet hoping to buy either a battery-powered, rechargeable vacuum cleaner or a remote controlled World War I bi-plane. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?

Al Capone's business card said he was a used furniture dealer.
"Nobody can be successful unless he loves his work. "

-- David Sarnoff, TV pioneer

T-BILL
Treasury Bill
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