The internal communication represents a final aim of the organizations in order to be productive in the long run, and a means for the spreading of the organizational culture. The present work, deepening the thought of Nonaka, Argyris and Schön, has the purpose of analysing the ways of...

Aim of this paper is to analyse the spatial aspects of technology transfer (t.t.) in Cnr Institutes of Piemonte, a highly industrialised region in North Western Italy. The specific purpose is to verify two hypotheses 1) If the spatial propagation of t.t. follows the Hägerstrand...

We study the effects of deposit insurance and observability of previous actions on the emergence of bank runs by means of a controlled laboratory experiment. We consider three depositors in the line of a common bank. Depositors decide in sequence between withdrawing or keeping their money...

"Exit, Voice, and Loyalty" (A.O. Hirschman 1970) is a theoretical concept derived from the work of Albert O. Hirschman (1970) which is focused on two essential options in organizatios and products decline, being "exit" and "voice".The basis concept is as follows: members of an organization,...

Introduzione – 1. L’economia dell’informazione – 2. Signaling e ciclismo professionistico – 3. La classifica UCI: impostazione ed effetti – 4. Il passaggio al Pro-Tour – Conclusioni

We assemble an original panel of 2,500 restaurant prices in Italy over the period 1998-2004 to study whether, and through which channels, the introduction of euro coins and banknotes had an impact on individual pricing behaviour. We reach three conclusions. Firstly, the evidence suggest that the...

In this work we have found a relevant increase in the systematic risk of the American real estate securities in the year 2007 which go to the initial values in the year 2009. With the aim to evaluate the systematic risk we have used the Fama-French three factor model and we have studied the...

In questo articolo si sviluppa un nuovo approccio per il calcolo del Value-at-Risk che utilizza il Filtro di Kalman per stimare il beta dei titoli di un portafoglio. Tale tecnica viene applicata al portafoglio azionario di una società assicurativa e confrontata con i metodi tradizionali basati...

We empirically analyse the returns of both Italian and round-trip open-end funds managed by Italian asset management companies (SGRs) in the period 2003-2008. Taking into account a modified version of the capital asset pricing model (CAPM), we estimated a performance measure for each asset...

Italian Abstract: Questo lavoro si propone il compito di individuare un approccio alternativo (in termini di algoritmo matematico) in grado di determinare con velocità (i.e. di convergere nel giro di poche iterazioni) il valore della volatilità implicita delle opzioni. Tale valore è di...