O objetivo específico da presente dissertação é estimar a elasticidade-PIB do Imposto de Renda Pessoa Física (IRPF) e Imposto Renda Pessoa Jurídica (IRPJ) no Brasil entre 1986 e 2012. A pesquisa também incorpora em seus objetivos uma análise técnica a respeito da tributação e seus impactos sobre o sistema econômico, tanto a nível microeconômico e macroeconômico, além de abordar o IRPF e IRPJ em seu aspecto econômico e jurídico. No tratamento metodológico são utilizados modelos de Vetor de Correção de erros (VEC) para estimar as elasticidades-PIB do IRPF e IRPJ. Os resultados apontam uma elasticidade-PIB, tanto para IRPF quanto IRPJ, acima da unidade, na maioria dos modelos estimados, e existem períodos determinados que impactam consideravelmente sobre à arrecadação desses tributos. / This dissertation estimates the GDP elasticity of income tax revenue for individuals (IRPF) and corporations (IRPJ) between 1986 and 2012. Additionally the research incorporates an analysis of the macroeconomic and microeconomic effects of taxation. IRPF and IRPJ are analyzed in great detail, including economic as well as legal aspects. An Error Correction Model is estimated to obtain the elasticities. The results show that both elasticities are higher than unit and that reforms that took place in some periods have a significant impact on tax collection.

As the number of non-resident sports persons competing in South Africa increases so does the need to tax them more effectively. It was for this reason that the South African legislature decided to insert Part IlIA into the Income Tax Act which regulates the taxation of non-resident sports persons in South Africa. The new tax on foreign sports persons, which came into effect during August 2006, is a withholding tax placing the onus upon the organizer of the event to withhold the tax portion of the payment to the non-resident sportsperson and pay it over to the revenue services. The rate of taxation has been set at 15 percent on all amounts received by or accruing to a foreign sportsperson. The question which the research addressed is whether this new tax will prove to be an effective tax, both from the point of view of its equity and the administration of the tax. In order to determine the impact of the new tax, it was compared to similar taxes implemented in the United Kingdom and Australia and also to other withholding taxes levied in South Africa. The new tax was also measured against a theoretical model for effectiveness, compared to the pre-August 2006 situation and to the taxation of resident sportsmen and women, using hypothetical examples. The major shortcomings of the new withholding tax are the uncertainty with regard to the intention of the legislature on matters such as the taxation of capital income versus revenue income, the question whether payments to support staff are included in the ambit of the new tax, the taxation of the award of assets in lieu of cash payments and the definition of a resident. A further area of concern is that the rate of taxation of 15 percent appears to be too low and creates horizontal inequity between the taxation of resident and non-resident sports persons. The new tax on non-resident sports persons may have its shortcomings but, depending upon the administrative and support structures put in place to deal with it, will be an effective tax. The rate at which the tax is levied could result in a less tax being collected than before but, with the reduced administrative cost of tax collection, the effective/statutory ratio of the tax could well be much higher than it was. This is a new tax in South Africa and certain initial problems are inevitable and will undoubtedly be solved as the administrators gain experience and as the case law governing this tax develops. / KMBT_363

En este trabajo, analizaremos el contenido de las normas laborales y tributarias involucradas y develaremos las incongruencias que surgen de su interpretación, a pesar que, en la práctica, las autoridades públicas competentes, así como las revistas especializadas se han alineado a un criterio que si bien termina beneficiando al trabajador, no fluye de los textos legales, generando inseguridad jurídica y confusión. / Trabajo de investigación

This master thesis deals with the taxation of a personal income and a corporation income. The theoretical part of the thesis describes the structural elements of taxes in conditions of the Czech Republic and characterizes the corporation income tax and the personal income tax. The practical part focuses on calculations of the corporation income tax and the personal income tax and a comparison of the employees and entrepreneurs taxation and a comparison of the taxation of the corporation income in 2009 - 2013.

States are facing tough economic times as a result of the housing market bubble exploding. States have been declaring budget deficits and major program cuts, since revenues have not kept up with expenditures and rainy day funds have been practically exhausted. State tax revenues have decreased, resulting from a decline in income tax revenues, one of the major sources of revenues for a large number of states (41 in total). A majority of these states have come to depend heavily on the revenue they collect from income taxes, which can represent as much as 40% of state tax revenue. This thesis focuses on the impact that income tax revenue has on state budgets and how it affects certain expenditures. To provide a more complete understanding on how fiscal policy affects the citizen directly, this thesis compares the changes in state's total tax revenue and spending on education and health programs between states that levy income tax and states that do not. Data from the United States Census Bureau and the National Association of State Budget Officials was analyzed by calculating the growth rate and relevant elasticities during 2006-2010, the years before, during, and after the last recession. Results will show a difference in changes in revenue and expenditure between the two types of states and a more sensitive elasticity for non-income tax states for both revenue and expenditure. With a better understanding of how the tax base behaves and how revenue affects programs, an improved tax policy that could produce more efficient services for citizens might be created.

Claims are special kind of property. They are tangible property, where its owner has limited possibilities of its exploitation. They ae property, which is bailed to another person without compensation. Claims are interest-free commercial credit granted to a debtor. High share of claims in total circulating property can affect negatively on trend of conditions for economic activity. Claims tie sources necessary to acquisition stock needful for production or business activity. In case of irrecoverable claims is possible to reach indirect reduction their evaluation in accounting by way of adjusting items. Claims are the only property, where is creation of adjustment on fulfilment of a condition tax deductible cost. On the limiation of claim do not arise obligation for creditor to eliminate claim from the property. Creditor can willingly decide of elimination of claim anytime. On fulfilment of conditions fixed in the Income Tax Act is junk value of claim tax deductible. When the lawful conditions are not fulfiled, in the case of claim retirement is not the cost incurred by the write-off tax deductible. Here is also the possibility to transfer a debt to another person. In this way is danger of default of payment eliminated. Achievement of claim settlement is also possible by inclusion mutual claims between creditor and debtor.

The primary purpose of this thesis is to describe all areas of presentation of the financial statements in shareholders corporation according to the Czech accounting standards and Czech legal environment. Theoretical part of the thesis describes the general principles of the preparation of the financial statements followed by detailed analysis of four key areas associated with the financial statements. Theoretical part starts with focus on the year ending accounting procedures including inventory, control of accruals and deferrals, impairment of assets, depreciation, appreciation and tax due as well as deferred tax. Subsequently, it describes the actual closing of the accounts followed by the description of the financial statements. Theoretical part is completed by description of all related subsequent events such as audit, declaration of taxes, preparation of annual report and publication duties of the corporation. Practical part of the thesis focused on application of the theoretical findings on the process of the 2008 financial statements preparation of Planet A Corporation and evaluation of the financial statements and accounting as a true presentation of the company. Discrepancies and potential mistakes were commented with recommendation of possible solutions presented to the company management. Finally, the financial statements were considered as representing the true financial situation of the company.

The purpose of the thesis is to compare the taxation of the employee income in the Czech Republic and in Ireland with appropriate legislation of 2015. In theoretical part, I describe tax system of both states with an emphasis on taxation of income from employment. The theoretical part contains also a short summary of tax systems development. Practical part is divided into two different sections. First of them is focused on the calculation of effective tax rate for taxpayers in different types of households and the second one deals with the calculation of interval and global progressivity of tax in both countries, together with an analysis of income equality or inequality in society by using the Lorenz curve and the Gini coefficient. The calculations showed a progressive tax effects in both the Czech Republic and Ireland, with higher rate of tax progression and higher degree of income inequality in Ireland. From the perspective of effective income tax rates, higher tax burden is imposed in Ireland. The effective tax rate is on average 13.5 of percentage points higher than in the Czech Republic. This is also confirmed by the legal provision of the relevant tax legislation.

The thesis is focused on the simulation of the tax burden in the real estate business. The first part is devoted to the theory that describes the various taxes associated with this trade and their evolution. In the second part is simulated evolution of the tax burden and the tax burden is calculated for the year 2013 from the perspective of the seller, the buyer or tenant. This calculation is then divided according to whether the seller, buyer or lessor natural person, legal person or self-employed. At the end of the work are given further opportunities to acquire property and related taxes.