Forecasting volatility has received a great deal of research attention, with the relative performances of econometric model based and option implied volatility forecasts often being considered. While many studies find that implied volatility is the pre-ferred approach, a number of issues remain...

Much research has investigated the differences between option implied volatilities and econometric model-based forecasts. Implied volatility is a market determined forecast, in contrast to model-based forecasts that employ some degree of smoothing of past volatility to generate forecasts....

El partido de Tandil tiene una larga historia y tradición en la producción láctea y la elaboración de quesos. La actividad quesera en la zona comienza a mediados del siglo XIX. Tradicionales, locales y naturales son los significantes asociados a los quesos tandileros, cuyo saber hacer se ha...