Final answer:
Yes, Shoppers Drug Mart offering $20 Esso gift cards on promotion days is an example of partnership marketing, as it involves two businesses collaborating for mutual benefit.
Step-by-step explanation:
When Shoppers Drug Mart offers $20 Esso gift cards on special promotion days, it can indeed be considered a form of partnership marketing. Partnership marketing is a collaboration between two or more businesses with the purpose of creating a mutually beneficial marketing campaign. In this scenario, Shoppers Drug Mart partners with Esso to provide an incentive, such as a gift card, which may lead to increased customer traffic and sales for both Shoppers Drug Mart and Esso. This strategy can attract customers who are motivated to shop at Shoppers Drug Mart to receive an Esso gift card and may also encourage those customers to visit Esso stations, creating a win-win situation.