Whole Foods is providing the world with a very interesting economics lesson. Immediately after Amazon bought the upscale grocery store chain, it cut prices substantially for many items on the shelves. As a result, sales have boomed by around 25 percent. Was the price cut a good move? Actually, the real lesson might be how little economics has to say. …

Last week was relatively eventful for bitcoin, the cryptocurrency that has been attracting growing attention from investors, speculators and regulators. Considerable price volatility was accentuated by reactions to commentary (some constructive and some less so) about a “disruptive technology” that responds to specific client needs, is here to stay, and will likely gain greater systemic influence, but is still early …

The political winds in Silicon Valley are shifting. As Bloomberg’s Eric Newcomer wrote on Friday, a spate of critical essays and surprising revelations have recently framed the big tech companies as all-powerful, unaccountable and primed for greater antitrust scrutiny. But if you want to get fully up to speed on the case against Big Tech, there are two new books …