It works both ways. From the article: > In Decoy Marketing, we learned that adding an inferior but similarly priced product > to one’s lineup can boost sales

It works both ways. From the article: > In Decoy Marketing, we learned that adding an inferior but similarly priced product > to one’s lineup can boost sales of the better product, and in More Decoys: Compromise > Marketing we found that an expensive product added at the top of one’s line may not > sell well but can boost sales of the cheaper products.