Einkaufsverband ist der Zusammenschluß von Einzelhändlern aufgrund einer bestimmten Rechtsgrundlage zum gemeinsamen Einkauf von Waren (Purchasing community, Purchasing cooperative). Einkaufsverband nehmen in der Regel zentral die Bestellungen ihrer Mitglieder entgegen und nehmen direkt oder indirekt die Warenanlieferungen vor. Meist haften die Einkaufsverband gegenüber den Lieferanten für die Rechnungswerte (sogenannte Delkredere-Haftung) und regulieren sie auch zentral.
They can pay for these services through better purchasing conditions. The purchasing associations also offer their members additional services to make them more competitive with their competitors. This includes support with advertising measures, advice on shop fitting, taking over the accounting, etc. Purchasing associations are run in the legal form of a cooperative. Voluntary chains also take on similar functions as a purchasing association.
Shopping behavior is the behavior that a customer shows when shopping. It is important for the retailer and the seller to recognize the purchasing associations and the attitudes and demands of the customer that emerge from them. This is the only way to successfully put together the range and address every type of customer correctly.