(historical) A coin used in the early history of Prince Edward Island and New South Wales, made by punching the middle out of a Spanish dollar; the punched-out middle part was used as a smaller coin called a dump.

The impact of consumer choice on producers' decisions, based on which goods and services sell in sufficient quantities and which do not.

plural of dollar dance

Synonym of sand dollar

Synonym of money dance

(historical) A Scottish silver coin under King James VI, worth two shillings and sixpence in English money of the time, and bearing a sword on the reverse.

plural of dollar bill

plural of dollar auction

(game theory) A non-zero-sum sequential game designed to illustrate a paradox brought about by traditional rational-choice theory in which players are compelled to make an ultimately irrational decision based entirely on a sequence of apparently rational choices made throughout the game. It involves an auction for a dollar bill where the second-highest bidder loses the amount that they bid, making them the biggest loser in the auction.

A census-designated place in Placer County, California, United States.