There is nothing so useless as doing efficiently that which should not be done at all.” —Peter Drucker, “The Effective ...

Sales is all about the art of closing the deal. Behind the curtain, that means a lot of patience, persuasion and persistence.

You've probably fallen for this costly psychological trap without realizing it. Learn why we can't quit failing ventures—and how to escape.

The sunk cost fallacy occurs when we use money, time, or effort we've already spent (and can't recover) as justification to keep investing in something that's clearly not working.

The sunk cost fallacy is our tendency to continue with something we’ve invested money, effort, or time into—even if the current costs outweigh the benefits. When we fall prey to the sunk cost fallacy, ...

Wetland restoration is seen as sunk cost – but new research shows why it should be considered an investment Traditional cost-benefit analyses treat wetland restoration as a one-off expense with ...

Traditional cost-benefit analyses treat wetland restoration as a one-off expense with fixed returns. New research shows this misses long-term climate and biodiversity benefits.