The study investigates the causal relationship between inflation and inflation uncertainty in Vietnam over the period 1995-2010. Inflation uncertainty is modeled by both symmetric model (GARCH(1,1)) and asymmetric models (TARCH(1,1), PARCH(1,1), EGARCH(1,1)). Based on three information criteria...

Uncertainty plays an important role in marketing decisions such as pricing, promotion, advertising and salesforce management. While there have been significant progresses made in ing marketing behaviors in a stochastic environment, the work is scattered among different sources and focuses mostly...

Compared with other capital markets around the world, Vietnam’s capital market has a relatively short history of only 20 years. In that time, however, the Vietnamese capital market has transformed—from a small market with limited products and capitalization at 1% of GDP in 2000 into a market...

The hidden Markov model (HMM) is typically used to predict the hidden regimes of observation data. Therefore, this model finds applications in many different areas, such as speech recognition systems, computational molecular biology and financial market predictions. In this paper, we use HMM for...