Portfolio construction and risk budgeting are the focus of many studies by academics and practitioners. In particular, diversification has spawn much interest and has been defined very differently. In this paper, we analyze a method to achieve portfolio diversification based on the decomposition...

This paper investigates the long-run equilibrium relationship between the real net exports and the exchange rate in Moroccan economy by the threshold cointegration test. This approach, introduced by Enders and Siklos (2001), provides clair evidence of the cointegration relationship characterized...

We study third degree price discrimination in intermediate good markets, in which costs of production for the downstream firms are determined by their investment choices. We focus on the effect of the sequence of firm actions and analyze two models with different timing of investments, before or...

Modern Portfolio Theory assumes that decisions are made by individual agents. In reality most investors are involved in group decision-making. In this research we propose to realize group decision-making process by application of Ensemble Learning algorithm, in particular Random Forest....

This article models the imperfect detection of tax evasion motivated by the existence of a corrupt tax administration. Consistent with previous literature, fines and audit probabilities both have a positive effect on compliance. Moreover, the model shows that they have a negative effect on the...

Does Facebook make people lonely and unhappy? Empirical studies have produced conflicting results about the effect of social networking sites (SNS) use on individual welfare. We use a representative sample of the Italian population to investigate how actual and virtual networks of social...

As well as consolidating on the existing literature on fair value accounting, by way of reference to jurisdictional analyses which include a focus on China, Japan, Brazil, and South Africa, this paper not only highlights why there is need for a re-think of the use of fair values as the primary...

We prove the uniqueness of linear i.i.d. representations of heavy-tailed processes whose distribution belongs to the domain of attraction of an $\alpha$-stable law, with $\alpha2$. This shows the possibility to identify nonparametrically both the sequence of two-sided moving average coefficients...

This article presents a discussion over the evolution of agriculture of different typologies of rural economies (subsistence economy, traditional economy, agricultural economy, rural economy, territorial economy). Following the introduction we specify, from a theoretical point of view, the...

This paper applies a data envelopment analysis (DEA) method to assess technical efficiency of both private and public universities in Italy. Moving from the traditional context where inputs and outputs are assumed to be non-negative, a directional distance function approach has been applied in...