We characterize the joint dynamics of dividends, expected returns, stochastic volatility, and prices. In particular …, with a given dividend process, one of the processes of the expected return, the stock volatility, or the price …-dividend ratio fully determines the other two. For example, together with dividends, the stock volatility process fully determines …

volatility of Borsa Istanbul 100 Index (BIST-100). Sample data cover the period from January 2008 to December 2017. The main … nonlinear volatility models (symmetric and asymmetric Generalized AutoRegressive Conditional Heteroskedasticity [GARCH …]-type models) were used to model and estimate BIST-100 volatility in response to political news. The findings of the paper …