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Petar Ilkov Peshev, Ivaylo Donchev Beev
Analysis of the Proportional Tax System in Bulgaria
Summary:
Proportional taxation with a single tax rate and the low tax rate policy intended to lower the shadow economy, increase tax revenues due the larger tax base, but also aimed to attract local and foreign investments, improving the employment situation, and finally to stimulate Bulgarian economy in the EU convergence process. Nearly a decade later empirical data allows an objective analysis of the pros and cons of tax cuts introduced in 2007 and 2008. This paper aims to provoke discussion on low tax policy implemented in in 2007 and 2008 and to analyze its suitableness and eventually to provoke a tax policy amendment debate.
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Silviya Bratoeva Manoleva
Income Inequality in Bulgaria in the Period 1993-2019 – Decomposition by Income Sources
Summary:
Income inequality is a result from an unequal distribution of different types of incomes forming total household income. The aim of the paper is to find which income sources are the main drivers for rising inequality in Bulgaria for the last 25 years by using income inequality decomposition. The results show that wages has the biggest and growing importance for the overall inequality. Most unequal distributed incomes are those from property, but they have an insignificant role for the rising overall inequality because of the small share in total household income. Incomes that mitigate income inequality are the social transfers, but their effect varies depending on the type of transfer.
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Aleksandar B. Todorov
Empirical Analysis of the Economic Concentration Within the Largest Bulgarian Companies for the Period 2006-2013
Summary:
The article provides a descriptive analysis of the economic concentration and inequality among the 100 largest companies in the Bulgarian non-financial sector in the period from 2006 to 2013. For this purpose, data used are sales and number of employees provided by the annual ranking Capital 100. Established statistical measures of concentration and disparity are applied to the data: concentration ratio, Herfindahl index and Gini coefficient. The empirical results suggest stabilization of the positions of the 10 largest companies, but at the same time growing importance of companies in the second half, i.e. of these with positions from 51 to 100.
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Ivan G. Ivanov, Nonka Georgieva
A Linear Matrix Inequality Method for Stochastic Model on Markov Jump Linear Systems
Summary:
We consider a special class of linear quadratic stochastic models on Markov jump linear system. The aim is to find the best control function for a model. The search of the control function passes trough the computation of the maximal solution to a system of the general discrete time Riccati equations. An effective method for finding the maximal solution is the method of a linear matrix inequality (a standard method). In this paper we present two new modifications of the method of a linear matrix inequality. The numerical experiments for comparing the computational characteristics of the modified methods and the standard method are executed. The numerical experiments show the effectiveness of new methods to the standard method.