We want to evaluate the impact on the monetary economy for a company of two types of strategies (competitive strategy, and cooperative strategy) adopted by buyers. Competitive strategy: strategy characterized by a firm behavior aimed at obtaining concessions from the buyer. Cooperative strategy: strategy based on a negotiation attitude oriented towards problem-solving and involving high trust and cooperation. A random sample of 14 buyers participated in a negotiation experiment where 7 buyers adopted the competitive strategy, and the other 7, the cooperative strategy was obtained. The savings obtained for each group of buyers are presented below