Institute of National economics

Bucharest, Romania

Institute of National economics

Bucharest, Romania
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Preda V.,University of Bucharest | Preda V.,National Institute of Economic Research | Dedu S.,University of Bucharest | Dedu S.,Institute of National economics | Gheorghe C.,National Institute of Economic Research
Physica A: Statistical Mechanics and its Applications | Year: 2015

In this paper, by using the entropy maximization principle with Tsallis entropy, new distribution families for modeling the income distribution are derived. Also, new classes of Lorenz curves are obtained by applying the entropy maximization principle with Tsallis entropy, under mean and Gini index equality and inequality constraints. © 2015 Elsevier B.V. All rights reserved.


Boboc C.,Academy of Economic Studies Bucharest | Vasile V.,Institute of National economics | Ghita S.,Academy of Economic Studies Bucharest
Communications in Computer and Information Science | Year: 2011

Physicians' migration revolves around the reasons of better structure of medical education, desire for better income, general security and improved prospects for family. Moreover, many Central and East European Countries are characterized by severe shortages, inappropriate skill mixes and gaps in health service coverage. This paper starts with a literature review about the determinants of migration. Most of the post-enlargement East-West migration flows have been pushed by the dissatisfaction with economic opportunities in new member states compared to the older ones. Is this the main reason as well for migration of physicians? And which are the effects of this migration in source countries? In order to answer to these questions, we have analyzed the health sector in CEE countries: health trends and patterns, education, employment, wages, physicians' migration by using descriptive statistics, factorial and regression analysis. © 2011 Springer-Verlag Berlin Heidelberg.


Mitrut C.,Academy of Economic Studies Bucharest | Zaman G.,Institute of National economics | Goschin Z.,Academy of Economic Studies Bucharest | Constantin D.-L.,Academy of Economic Studies Bucharest
Economic Computation and Economic Cybernetics Studies and Research | Year: 2010

R&D activity is considered to be one of the most significant factors in innovation activity and a key driver of economic growth. The conceptual analytic framework upon which this study is based envisages the design of a composite index as a measurement and benchmarking tool for the capacity of the Romanian regions and counties to absorb the output from R&D activities. The results revealed that the potential to create new knowledge and innovations and the ability to exploit it are extremely geographically concentrated and Romania needs to boost the absorption capacity of its regions and counties.


Zaman G.,Institute of National economics | Goschin Z.,University of Bucharest
Economic Computation and Economic Cybernetics Studies and Research | Year: 2015

This paper addresses the issue of regional decline and recovery in Romanian counties based on a new indicator for measuring the speed of economic recovery after the crisis. We analyzed economic absolute and relative decline, length and speed of recovery at county level, covering the period 2008 to 2014. The results indicated a variety of situations: no decline, no recovery, complete or partial recovery, at different speeds. Since we identified the presence of spatial dependence in our variables, a spatial autoregressive model has been developed in order to assess the influence of the development level upon the speed at which the counties recover after crisis. The main finding is that the pre-crisis GDP level is positive and highly significant in all model specifications, suggesting that developed counties tend to recover more quickly after economic shocks. © 2015, Academy of Economic Studies. All rights reserved.

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