Many ways exist to measure and model financial asset volatility. In principle, as the frequency of the data increases, the quality of forecasts should improve. Yet, there is no consensus about a "true" or "best" measure of volatility. In this paper we propose to jointly consider absolute daily...

Italian Abstract: Vengono esposti i principi base della teoria delle aste. Quali le questioni da risolvere, quali ingredienti, quali ipotesi necessarie per semplificare una teoria altrimenti piuttosto complessa. Vengono sviluppati i meccanismi d'asta al I e al II prezzo, risolvendo per le...

Italian Abstract: Elementi di teoria dei giochi necessari ad implementare e risolvere giochi statici e dinamici con informazione completa e incompleta. Particolare attenzione e dettagli di soluzione sono esposti per i giochi bayesiani dinamici con informazione incompleta

English Abstract: This paper contributes to the literature on bank risk with a cross-sectional analysis of the bank specific determinants of risk using a new indicator calculated for a sample of 38 Italian banks in the period 2006-2012 and expressed as flow of the amount of new non- performing...

Italian Abstract: L'ampliamento del commercio al dettaglio a livello globale, favorito dalla diffusione delle transazioni via Internet (e-commerce), ha indotto il legislatore europeo a rafforzare i presidi di sicurezza nelle operazioni di pagamento online. Questo lavoro si pone l'obiettivo di...

Financial time series analysis has focused on data related to market trading activity. Next to the modeling of the conditional variance of returns within the GARCH family of models, recent attention has been devoted to other variables: first, and foremost, volatility measured on the basis of...

The performance of tax receipts in Italy during the period 1978-2006 is analysed through the relationship between the growth of revenue and the evolution of the macroeconomic framework. Series of actual tax receipts are adjusted to take account of discretionary measures, transformed into...

We analyze several measures of volatility (realized variance, bipower variation and squared daily returns) as estimators of integrated variance of a continuous time stochastic process for an asset price. We use a Multiplicative Error Model to describe the evolution of each measure as the product...

La letteratura di storia economica del fascismo rileva come le politiche economiche del regime fossero indirizzate verso l'aumento di questo fattore della produzione. In questo lavoro si analizza il processo di accumulazione del capitale in Italia tra il 1881 e il 1938 per verificarne la...