If you’ve ever been to India, it’s likely that you’ve been startled by how young the country looks; the streets of any Indian town, even of its villages, are full of 20-somethings. This isn’t a surprise: India is a very young country. Half of its population is under the age of 25. Two-thirds are less than 35. As a recent …

Hedge funds are dead. Long live private assets. Remember when hedge funds were the envy of investors? The returns were magical. The managers were gods. And they bestowed their bounty on a select smart-money set. Investors happily paid absurd fees for the privilege, typically a 2 percent management fee and 20 percent of profits. Some investors paid an additional “2 …

In a recent talk about his new book, “Scale,” physicist Geoffrey West described climate change as a form of entropy –- disorder that’s created as the price of all the order and creative energy pent up in cities. In this view, climate change is not, as some argue, just a euphemism for global warming. It’s a broader term that reflects …