- Article
Parsimonious Heterogeneous ARCH Models for High Frequency Modeling
- Juan Carlos Ruilova and
- Pedro Alberto Morettin
In this work we study a variant of the GARCH model when we consider the arrival of heterogeneous information in high-frequency data. This model is known as HARCH(n). We modify the HARCH(n) model when taking into consideration some market components t...

