Would you like to know what your colleagues are paid? Or them to know what you get? In most places pay is a closely guarded secret. But more openness could be beneficial. Our Bartleby columnist weighs the evidence.

Lots of governments around the world are worrying about what Donald Trump’s return to office might mean for their country—and Mexico’s probably more than any other. We report on what the American president has done so far, and on what may lie ahead.

In our latest update from The Economist’s Archive 1945, we examine the end of January, when the Red Army pushed into Warsaw and Krakow, two of Poland’s biggest cities.