The U.S. risks economic decline as political polarization, attacks on immigration and a new cultural aversion to risk erode the foundations of its past innovation and growth. https://www.japantimes.co.jp/commentary/2025/10/20/world/economics-nobel-prize-has-a-us-warning/?utm_medium=Social&utm_source=mastodon #commentary #worldnews #nobelprize #us #donaldtrump #joelmokyr #philippeaghion #peterhowitt #globaleconomy #awards