"zero-sum game." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/zero-sum-game>.
zero-sum game. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/zero-sum-game
zero-sum game - Investment & Finance Definition
trading situation in which profits are limited and wealth is merely shifted
around. The futures and options markets are zero-sum games because for every
trader who makes money, another trader loses money.