Money is a strong factor. One cannot help but react to an incentive.
“People did react fairly strong,” says Roland Sturm of RAND Corporation in Santa Monica, Calif., the study’s lead author. Even the smaller rebate was “enough to change behavior.”
Did they use the 25 percent savings on broccoli to buy doughnuts? Nope — they increased their spending on healthy foods.
Read the full article on NPR’s The Salt