Intervención cambiaria en Guatemala: ¿Ha sido efectiva?

Purchase and sale-oriented exchange rate intervention effectiveness carried on by the Central Bank of Guatemala is analyzed through an ACT-GARCH model. By using daily information for the period 1996-2008 it is found that purchase-oriented intervention tends to reduce exchange rate long run volatility, while sale oriented intervention tends to increase it. Nevertheless, both types of exchange rate intervention affected the quetzal/dollar level. Therefore, exchange rate intervention was effective when it was addressed to produce exchange rate trend effects, but it lacked effectiveness when the Central Bank of Guatemala limited intervention to moderate exchange rate volatility