TY  - BOOK
AU  - Wei,Shang Jin
AU  - Frenkel,Jeffrey A.
TI  - Are option-implied forecasts of exchange rate volatility excessively variable? / 
T2  - NBER working paper series ; 
PY  - 1991///
CY  - Cambridge : 
PB  - National Bureau of Economic Research, 
KW  - Tarifas
KW  - Predicciones
KW  - Cambio exterior
N1  - Incluye bibliografía
ER  -