Frydman, Roman, 1948- Imperfect knowledge economics : exchange rates and risk / Roman Frydman, Michael D. Goldberg ; foreword by Edmund S. Phelps. - xxiii, 340 p. : ill., charts ; 24 cm. ISBN: 9780691121604 (alk. paper) 0691121605 (alk. paper) LCCN: 2007927611 Subjects--Topical Terms: Foreign exchangeMicroeconomicsMikroekonomiEquilibrium (Economics)Denge (Ekonomi)Rational expectations (Economic theory) LC Class. No.: HB172.5 / .F79 2007