Employing the “decoy effect” could bend others to your will, improve your finances, and more.
https://www.bbc.com/worklife/article/20190801-the-trick-that-makes-you-overspend
* the use of a well-designed decoy such as this can shift opinion between the other two options by as much as 40% * Predictably Irrational * Ariely found that its mere presence substantially increased uptake of the combined subscription (rather than the digital only). Indeed, when only two options were available, readers were 52% more likely to go for the much cheaper online-only option, compared to a choice involving a third decoy. * the decoy effect on the diamond market