In some circumstances a decision maker, expert, in a group decision making problem cannot express his/her preferences with a unique linguistic fuzzy preference because he/she is dubious into some preferences. In this paper, we present a consensus model for group decision making problems with...

In some circumstances a decision maker, expert, in a group decision making problem cannot express his/her preferences with a unique linguistic fuzzy preference because he/she is dubious into some preferences. In this paper, we present a consensus model for group decision making problems with...

In some circumstances a decision maker, expert, in a group decision making problem cannot express his/her preferences with a unique linguistic fuzzy preference because he/she is dubious into some preferences. In this paper, we present a consensus model for group decision making problems with...

This paper estimates the technical efficiency of a set of Argentinean firms in the electric distribution sector for the period 1994-2001. The efficiency measurement involves the application of two methods: one non-parametric and the other parametric. The first one is DEA and the second one is...

This paper offers a quantification of price differentials not explained by tariff policy and the assessment of efficiency costs burned on different economic agents involved in textile products trade between Argentina (exporter) and Brazil (domestic producer). Simulations are carried out to show...

The need to align the strategies of the organization with the new information technologies had been imposed by the development of these last. One of the approaches that makes it possible such alienation is the Enterprise Architecture Approach (AE). To implement an AE project, it is necessary to...

The Black-Scholes valuation model for European options is widely used in the stock markets due to its easy implementation. However, the model is not accurate for different assets whose dynamics do not follow those of a lognormal distribution, so it is necessary to investigate new distributions...

All the areas within the company contact their customers, some directly and others from within the organization. CRM strategies, in conjunction with the R & D area, work on improving products and services to meet customer expectations. But could be missing valuable information of customers...