We model organization in markets for perishable goods. Our model is based on preferential choice of sellers by buyers according to fidelity parameters, specific to buyer and seller pairs, depending upon the previous history of transactions between partners. We have shown that buyers become either faithful partners or searchers. These results are compared to empirical data from the Marseille wholesale fish market.
KeywordsHyperbolic Tangent Price Dispersion Average Profit Discrimination Rate Prefer Shop
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