SANDRINE LARDIC is Senior Lecturer in Economics at the University of Paris X (France) and also is consultant for Sinopia Asset Management. She carries on research concerning econometrics in the fields of financial markets and macroeconomics. She is the author of books and papers on theoretical and applied econometrics. - VALERIE MIGNON is Professor of Economics at the University of Paris X (France). She conducts research on theoretical econometric methods and applied econometrics in the fields of financial markets and macroeconomics. Her research interests include long-memory processes and non-linear econometrics. She is the author of books and papers on theoretical and applied econometrics.

• PART I: EXCHANGE RATE MODELS Heterogeneity of Beliefs and Exchange Rate Dynamics; P.De Grauwe & M.Grimaldi Real Exchange Rate Persistence in DGE Sticky-Price Models: An Analytical Characterization; H.Bouakez PART II: STRUCTURAL BREAKS AND REGIME SWITCHING Real Exchange Rate Dynamics: An Alternative Approach; Y-W Cheung & U.Erlandsson Structural Break and Unit Roots in Black Market Real Exchange; M.Cerrato & N.Sarantis PART III: SPECULATIVE ATTACKS AND MONETARY POLICY The Role of Foreign Speculators during Speculative Attacks: The Case of 1998; G.Bjønnes, D.Rime & H.O.A.A.Solheim Exchange Rate Policy and Foreign Debt: When is a Fear of Floating Optimal?; W.Berger Learning and Coordination Against a Fixed Exchange Rate; C.Charmley