“Insider trading is not about fairness,” I often say; “it’s about theft.” It’s not a crime to know things that other people do not know, and to trade on your knowledge. In fact it is good. In fact it is the point of securities markets, or a point of them anyway: Society wants capital to flow to good projects and …

The UK has a productivity problem and its Department for Business, Energy and Industrial Strategy is out to solve it. At first glance, its new plan exemplifies the problem — a 255-page tome published on Monday is longer on blue-skies reflection than detailed policy. Still, government needs to be to held to account when it meddles in business, and the …

In their rush to pass something, anything, that they can call ‘tax reform,’ congressional Republicans have achieved the impossible: They have made an awful plan even worse. The first thing to note about the bill the Senate passed early Saturday is that it is not, by any reasonable definition of the term, tax reform. The elements of a smart reform …