The New Year ushered in a new wage policy in Iceland, where it is now illegal for companies to pay men more than women for the same job. The policy requires companies with more than 25 employees to certify that they pay equally, regardless of gender or ethnicity. This move has drawn international attention, especially from the United States, where women still make substantially less than men. But can the progressive policy of a tiny island nation work in a country as diverse and politically complex as the U.S.? The Knowledge at Wharton show on SiriusXM channel 111 recently invited Janice Bellace, Wharton professor of legal studies and business ethics; Janice Madden, professor of regional science and sociology at the University of Pennsylvania and a real estate professor at Wharton; and Thorgerdur Einarsdottir, professor of gender studies at the University of Iceland, to discuss the issues surrounding pay equality.…