In theory, this means that the negotiating parties have reached an agreement after taking full account of the interests of the other, so that the agreement cannot be further improved by another agreement. By definition, there are no more resources or gold on the table and all creative options have been exploited in depth. “Win-Win” has its roots in economic game theory. In the context of a negotiation, a counterparty (counterparty – plural) is the other representative of the other party(ies) with whom a potential agreement or contract is negotiated. The report takes place at several levels. In economics, most people associate the relationship with adaptation and the reflection of body language. Rapport puts you and the other party you want to flood into sync. .