Grocery store prices are up. Politicians have tried to pin it on supply-chain problems, price gouging, and corporate greed—or “greedflation.” But Ernie Tedeschi, a former chief economist of the White House’s Council of Economic Advisers, wonders if something else is going on. And it might just have to do with store-brand mac and cheese.Get more from your favorite Atlantic voices when you subscribe. You’ll enjoy unlimited access to Pulitzer-winning journalism, from clear-eyed analysis and insight on breaking news to fascinating explorations of our world. Subscribe today at TheAtlantic.com/podsub. Learn more about your ad choices. Visit megaphone.fm/adchoices