can you use year dummies in garch model how is the dummies used in the garch model is it good to include the dummies in the model for december contracts what is the year in ch dummies for estimate for gard how to estimate the weighting of garch model how to dummies estimate in a curve how to use garch model estimation how to estimate a gard model how to calculate the annual variability of a dummy model for a contract what model for december contract when calculating the year and year dummies, what model to use garch model for dummies in hedging what is a dummy in a garch model when to include year dummies in gard model when using dummies do you use year when using dummies for hedging grains what is the result gard model estimate dummies what are the years that dummies can estimate in a garch model which contracts have annual regressors