For proper valuation of risk to which the portfolio of financial assets is exposed, it is necessary to forecast the second moments of financial time series, that is variabilities. The empirical investigations show that financia time series are heteroskedastic, i.e. their volatility is not...

In this paper authors analyzed the importance of investments in human resources. This has been done through an empirical study conducted in Serbian financial sector, in which we measure the impact of human resources index level (HR index) on company business results. Research was implemented in...

Serbian Abstract: Prva ozbiljna istraživanja problema realnih (upravljački) opcija inicirana su ekonomskom krizom u SAD tokom 1980 – ih godina. U traganju za uzrocima krize, ekonomska nauka je pažljivo analizirala način upravljanja i vođenja američkih kompanija. Istraživanja su pokazala...