Yet the technological shift evolved as growth in postsecondary education slowed and companies began spending less on training their workers. “When technology, education and training move together, you get shared prosperity,” said Lawrence Katz, a labor economist at Harvard. “Otherwise, you don’t.”Increasing international trade tended to encourage companies to adopt automation strategies. For example, companies worried by low-cost competition from Japan and later China invested in machines to replace workers.Today, the next wave of technology is artificial intelligence. And Mr. Acemoglu and others say it can be used mainly to assist workers, making them more productive, or to supplant them.Mr. Acemoglu, like some other economists, has altered his view o …
