When India’s prime minister announced last November that 86% of India’s currency would be worthless in hours, he presented the decree as a well-thought-out measure to attack cash “hoarded by anti-national and anti-social elements”. We were led to believe that honest taxpayers would line up to return their high-value currency notes, but these “anti-national and anti-social elements” would be unable ...

Just when the world thought China was retreating — pushing acquisitive private companies to relinquish their global shopping sprees — it looks like Beijing might be getting out its check book again. China Civil Engineering Construction Corp. will build a $5.8 billion hydroelectric power station in eastern Nigeria, with 85 percent of the funding to come from Beijing’s Export-Import Bank, ...

Here’s a story about the US economy that more people are telling these days. Since the 1980s, antitrust enforcement has gotten weaker. As a result, a few big companies have managed to capture a much bigger share of the market in various industries. Technology may have helped too, by letting big companies spread their geographic reach, and by creating network ...