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 ...

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 ...

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 ...

In accounting, finance, and economics, all sunk costs are fixed costs. However, not all fixed costs are considered to be sunk. The defining characteristic of sunk costs is that they cannot be ...

Sales is all about the art of closing the deal. Behind the curtain, that means a lot of patience, persuasion and persistence. But what if that determination hurts more than it helps? Today’s economic ...