Estimation of volatility of financial time series plays a crucial role in pricing derivatives. Volatility is often estimated from historical data; however, it is well known that volatility varies in time. We propose a method to choose a suitable length of historical data to estimate contemporary...

The power-generation industry offers numerous opportunities to apply real options. This paper uses current empirical market data to estimate the value of flexibility in the Czech energy sector, which can serve to compare available technologies, and support various investment decisions. The model...