Tim Harford

Tim Harford is an award-winning journalist, economist, and broadcaster. He is the author of the bestselling The Undercover Economist, Messy, The Undercover Economist Strikes Back, Adapt, and The Logic of Life. A senior columnist at the Financial Times, Harford’s new book is Fifty Inventions That Shaped the Modern Economy.

Workers pouring concrete are pictured.

How Concrete Cemented Its Place in History

The Undercover Economist explains why this ancient building material came to dominate the world today—and why that could be a problem in the future.