Abstract Background and purpose: The goal of the paper is to determine the level of concentration in the insurance sector in the following eight countries of South and Eastern Europe: Serbia, Croatia, Bosnia and Herzegovina, Montenegro, Former Yugoslav Republic of Macedonia, Romania, Bulgaria and Albania in the period from 2007 to 2012. Design/Methodology/Approach: In this context, the analysed indicators of concentration were the market share of the four leading financial institutions (CR4), the Herfindahl-Hirschman Index (HHI), the coefficient of entropy (E), the coefficient of relative entropy (RE) and Gini coefficient (G). Results: The study showed that the insurance sectors in the analysed countries are highly concentrated on average (according to CR4 indicator), medium concentrated (according to HHI) with high levels of inequality of distribution of market shares between individual participants (in terms of G coefficient), and in the zone of relative uniformity and equality of business entities (according to RE coefficient). The research results point out that the existence of different levels of correlation between the analysed indicators of concentration in the insurance sector, which confirms the conclusion that, in order to obtain relevant and quality conclusions about the level of concentration, it is necessary to review and analyse several indicators of concentration integrally. Conclusion: In all observed indicators of concentration in relation with the density level GDP pc move in the zone of very low value, which on the one hand points to the fact that the analysed countries at a relatively similar level of development have significantly different levels of concentration, but also on the fact that some countries although at different levels of development, have similar levels of concentration.

中文翻译：

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衡量保险业的集中度-以东南欧国家为例

摘要背景与目的：本文的目的是确定南欧和东欧以下8个国家/地区的保险业集中度：塞尔维亚，克罗地亚，波斯尼亚和黑塞哥维那，黑山，前南斯拉夫的马其顿共和国，罗马尼亚，保加利亚和阿尔巴尼亚在2007年至2012年期间。设计/方法/方法：在这种情况下，分析的集中度指标为四大金融机构（CR4）的市场份额，赫芬达尔·赫希曼指数（HHI），熵系数（E），相对熵系数（RE）和基尼系数（G）。结果：研究表明，分析国家/地区的保险行业平均高度集中（根据CR4指标），中等集中度（根据HHI），个体参与者之间市场份额分配的高度不平等程度（按G系数表示），以及企业实体的相对统一和平等区域（根据RE系数）。研究结果指出，在保险部门分析的集中度指标之间存在不同程度的相关性，这证实了这样的结论：为了获得有关集中度的相关质量结论，有必要进行审查和评估。整体分析几个浓度指标。结论：在所有观察到的浓度指标中，与密度水平GDP pc相关的值都在非常低的区域内移动，