If you believe even a little bit in the sunk cost fallacy, then you also have to believe it's a good idea to quit things more often than a lot of people are willing to quit. We've been preached to for decades, maybe centuries, that quitting is a moral failure. But at for economics, wehve actually argued for the upside of quitting. The real trick er is, how do you know which circumstance you're in? Like the country music song, was it kenny rogers, no ene to hold em o unto fold em?