Everyone makes mistakes or suffers from bad luck from time to time. But too often, people dig their heels when the tide is shifting against them, rather than getting back on course — especially when ...

Ever stayed in a terrible movie just because you already paid for the ticket? Or clung to a failing relationship because of “all the years you’ve put in”? If so, congratulations—you’ve met the sunk ...

In the 1960s and '70s, the British and French governments made a legendary misstep: betting on the Concorde. A joint manufacturing effort between Sud Aviation and British Aircraft, their supersonic ...

It was a Words with Friends chat that first gave Megan Phelps-Roper pause. People have a marked tendency to cling to past investments, whether financial, social, or emotional—even when it becomes ...

A neighbor and I were commiserating over a 6-foot distance about our recent losses. He said his retirement portfolio was way down, but “it’s not a loss until you cash it out.” This is a common mistake ...

A Reflection for Tuesday of the Third Week of Advent Which of the two did his father’s will? Find today’s readings here. The sunk cost fallacy is a theory that posits that we keep going down a path ...

Natalya Yashina is a CPA, DASM with over 12 years of experience in accounting including public accounting, financial reporting, and accounting policies. Michael Nagle / Bloomberg via Getty Images Sunk ...

Berlin's new airport was supposed to open in 2011 with a budget of 2 billion euros. Instead, it finally opened in 2020 after costing over 6 billion euros. The project was plagued with problems from ...