This paper aims at studying, in the image space, an approximation of a vector optimization problem obtained by substituting the involved functions with their G-derivatives. It is shown that, under the hypothesis of G-differentiability, the existence of a semistationary point is equivalent to the...

In this paper we consider a vector optimization problem; we present some scalarization techniques for finding all the vector optimal points of this problem and we discuss the relationships between these methods. Moreover, in the linear case, the study of dual variables is carried on by means of...

In this paper we investigate how the interaction between the product and the emission permit markets may affect firms' propensity to adopt cleaner technologies. The adoption of a cleaner technology has the direct effect of reducing the compliance cost of the firm, but it also involves a...

Monty Hall's three doors problem is a well-known "anomaly" in economics. It appears to be an example of a systematic violation of the assumption of subjects' rationality. Many papers have studied the Monty Hall anomaly under different perspectives (i.e. computerizing, learning, grouping,...

In the last ten years the space issue, i.e. the study of the role played by space in economic phenomena, has attracted a lot of interest from many economic fields. Both the suitability of spatial economics to address questions posed by globalization, and improves in modeling techniques are at...

This paper adopts a "piece-meal" approach to empirically identify, on a sample of Italian households, a collective model where both nonparticipation and non-convex budget sets are allowed for. Two tax reforms, i.e. the 2002 tax changes recently introduced in Italy and a revenue neutral linear...