TY - JOUR TI - Modelling the Coherence in Short-Run Nominal Exchange Rates: A Multivariate Generalized Arch Model AU - Tim Bollerslev JO - The Review of Economics and Statistics PY - 1990 VL - 72 IS - 3 DO - 10.2307/2109358 UR - https://doi.org/10.2307/2109358 ER -