Gallo, Giampiero; Pacini, Barbara - In: The European Journal of Finance 6 (2000) 2, pp. 163-175
The paper re-examines the question of excessive implied persistence of volatility estimates when GARCH type models are used. Ten actively traded US stocks are considered and as already established in the literature, when volume traded is inserted in the GARCH (1, 1) or (EGARCH 1, 1) models for...