The Managing Editors of Economic Policy: Giuseppe Bertola is Professore Ordinario di Economica Politica, Facolta di Scienze Politiche, Universita di Torino. Philippe Martin is Professor at the Universite Paris-1 Pantheon Sorbonne and CERASENPC and a Research Fellow at CEPR. Paul Seabright is Professor of Economics at Universite des Sciences Sociales de Toulouse, a Director of Research at the Institut d'Economie Industrielle and a Research Fellow at CEPR. The Senior Editors of Economic Policy: Georges de Menil works at the Delta Ens, France. Richard Portes lectures in the Department of Economics, London Business School. Hans-Werner Sinn is based at the Centre for Economic Studies, University of Munich.

• Editors' Introduction. 1. Will there be a Dollar Crisis?: Paul Krugman. 2. The Missing Dark Matter in the Wealth of Nations and its Implications for Global Imbalances: Ricardo Hausmann and Federico Sturzenegger. 3. Europe and Global Imbalances: Philip R. Lane and Gian Maria Milesi-Ferretti. 4. Assessing China's Exchange Rate Regime: Jeffrey A. Frankel and Shang-Jin Wei

The Managing Editors of Economic Policy: Giuseppe Bertola is Professore Ordinario di Economica Politica, Facolta di Scienze Politiche, Universita di Torino. Philippe Martin is Professor at the Universite Paris-1 Pantheon Sorbonne and CERASENPC and a Research Fellow at CEPR. Paul Seabright is Professor of Economics at Universite des Sciences Sociales de Toulouse, a Director of Research at the Institut d'Economie Industrielle and a Research Fellow at CEPR. The Senior Editors of Economic Policy: Georges de Menil works at the Delta Ens, France. Richard Portes lectures in the Department of Economics, London Business School. Hans-Werner Sinn is based at the Centre for Economic Studies, University of Munich.

• Editors' Introduction. 1. Will there be a Dollar Crisis?: Paul Krugman. 2. The Missing Dark Matter in the Wealth of Nations and its Implications for Global Imbalances: Ricardo Hausmann and Federico Sturzenegger. 3. Europe and Global Imbalances: Philip R. Lane and Gian Maria Milesi-Ferretti. 4. Assessing China's Exchange Rate Regime: Jeffrey A. Frankel and Shang-Jin Wei

The Managing Editors of Economic Policy: Giuseppe Bertola is Professore Ordinario di Economica Politica, Facolta di Scienze Politiche, Universita di Torino. Philippe Martin is Professor at the Universite Paris-1 Pantheon Sorbonne and CERASENPC and a Research Fellow at CEPR. Paul Seabright is Professor of Economics at Universite des Sciences Sociales de Toulouse, a Director of Research at the Institut d'Economie Industrielle and a Research Fellow at CEPR. The Senior Editors of Economic Policy: Georges de Menil works at the Delta Ens, France. Richard Portes lectures in the Department of Economics, London Business School. Hans-Werner Sinn is based at the Centre for Economic Studies, University of Munich.

• Editors' Introduction. 1. Will there be a Dollar Crisis?: Paul Krugman. 2. The Missing Dark Matter in the Wealth of Nations and its Implications for Global Imbalances: Ricardo Hausmann and Federico Sturzenegger. 3. Europe and Global Imbalances: Philip R. Lane and Gian Maria Milesi-Ferretti. 4. Assessing China's Exchange Rate Regime: Jeffrey A. Frankel and Shang-Jin Wei