A method for conducting a business transaction using a payment processing network is disclosed. The method includes sending an authorization request message including an authorization request to an issuer, where the authorization request message originates from a business consumer purchasing goods or services from an oligopolistic business entity. The issuer sends an authorization response message indicating that the authorization request is approved or not approved. Economic incentives associated with the business transaction is provided to the oligopolistic business entity or the business consumer for conducting the business transaction, wherein the incentive would not be available in a transaction between a non-oligopolistic business entity and the business consumer. A method for encouraging use of electronic payment methods is also disclosed, wherein an oligopolistic entity and a group of business consumers in an industry vertical are identified based on sales information, and an economic incentive is provided to the oligopolistic business entity after it agrees to accept electronic payment transactions for conducting business with the group of business consumers.