It is known that the environment and the human society often support the actions of some dangerous phenomena of different origins,natural or anthropogenic, that may cause destructive and brutal disturbances in some systems or default situations. In the following, some natural catastrophic events...

The study proposes to present some research directions in the field of informal economy and regional development found in economic literature. Are presented some results at the level of Romania and Hungary`s economy. At the Romanian economy level are submited results about the allocation of...

The disintegration of planned economies and the first elements of the market economy have resulted in a new attitude from some companies to transfer their activities to the informal economy. Assessing the probability that a company decides to conduct an economic activity can be done based on the...

The present paper makes a short presentation of the Bayesian decions method, where extrainformation brings a great support to decision making process, but also attract new costs. In this situation, getting new information, generally experimentaly based, contributes to diminushing the uncertainty...

The main issues in the informal economy domain are related to its definition, quantification, its position at the level of national economy and the application of econometric models to quantify its effects on economic and social development, at national and regional level. In order to evaluate...

In this paper we develop algorithms to solve macro econometric models with forward-looking variables based on Newton method for nonlinear systems of equations. The most difficult step for New-ton methods represents the resolution of a large linear system for each iteration. Thus, we compare the...

The Society perceives the dangers as threats, challenges and risks. Risk is defined as direct and assumed threat. Most of all, the highest risks in modern society are likely asymmetric.They include the whole sphere of human activity and they are accompanying man in almost everything he does. As...

The transition from the centralized economy to the market economy has determined important changes in higher education in the countries of the former socialist bloc. In a relatively short period an impressive growth in the number of students has been recorded without taking into account the...

The article conveys a series of features of the public administration by using some econometric models. In order to estimate the parameters, we used a series of data registered from a illustrative sample of civil servants. With the aim of analysing the corruption, there are used various...