Ricerc@Sapienza

Nowadays, our society is increasingly becoming economically and socially dependent on the cyberspace. However, the cyberspace is exposed to numerous risks, and there is a constant threat of exploitable vulnerabilities, which could cause significant reputational and economic damages. For addressing these threats, the Italian National Cyber Security Framework was developed to offer an approach to assessing cyber risks into organizations, as well as to help improve the related security through focused investments. Still, this evaluation is not a straightforward endeavour.

The investigation of the dynamics of national disciplinary profiles is at the forefront in quantitative investigations of science. We propose a new approach to investigate the complex interactions among scientific disciplinary profiles. The approach is based on recent pseudo-likelihood techniques introduced in the framework of machine learning and complex systems. We infer, in a Bayesian framework, the network topology and the related interdependencies among national disciplinary profiles.

Do agglomeration externalities affect firm survival? Regional Studies. This paper analyses the impact of spatial
agglomeration externalities on Italian start-up firms’ survival. Italy represents a relevant case study given the wellknown
role of firm clusters in the country’s economic development. Results obtained support the hypothesis that
industry variety reduces the likelihood of firm exit. Specifically, related variety, which contributes to the generation

We axiomatize, in the multidimensional case, a social evaluation function that can accommodate a natural Pigou–Dalton principle and correlation increasing majorization. This is performed by building upon a simple class of inframodular functions proposed by Müller and Scarsini under risk.

On the basis of a newly built regional panel data set that considers both the evolution of employment indicators in the Italian regions and indicators of counterfeiting activities and criminality, we empirically explore the link between joblessness and criminality. During the period of a deep economic and financial crisis we observed that, unexpectedly, unemployment and inactivity rates rise together. The paper studies whether and to what extent, in the considered period, criminal activities of counterfeit and other forms of crime have affected unemployment and inactivity rate.