[ni-goh-shee-ey-shuh n] [zopa]
An acronym which means a negotiation Zone of Possible Agreement. It is the range or area in which an agreement is satisfactory to both parties involved in the negotiation process. Often also referred to as the “Contracting Zone”. Negotiation ZOPA or the Contracting Zone is the range between each parties Walk Away or Real Base or Bottom Lines, and is the overlap area that each party is willing to pay or find acceptable in a negotiation.