A new report by 30 leading economists calling for an increase of 25-30% in the value of the yen to the dollar is "a timely and urgent reminder to US policymakers about the dangers to the US and global economy if action is not taken to address the extreme and dangerous misalignment of the dollar with major Asian currencies, particularly Japan's," said Stephen Collins, president of the Automotive Trade Policy Council, a trade association representing General Motors, Ford and DaimlerChrysler.