“…Although a substantial body of research has examined the effects of product incentives on charitable giving (Briers, Pandelaere, & Warlop, 2007;Chao, 2017;Holmes, Miller, & Lerner, 2002;Newman & Shen, 2012;Simpson, Irwin, & Lawrence, 2006), to date, the majority of the research in this area has treated "donations with a gift" and "charitable purchases" as relatively interchangeable forms of product-based incentives. That said, a recent paper by Zlatev and Miller (2016) (hereafter, Z&M) directly compared these two types of offers and found that "charitable purchases" appear to encourage more giving than analogous "donations with a gift."…”