While we are witnessing an acceleration of the phenomenon of demographic aging in Canada, a spectacular increase in the participation rate of the elderly has been felt since the end of the 1990s. Several factors may be at the origin of this increase, but few studies really focus on empirically verifying these. It is in this register that this research is focused. In fact, in 2012, the government of Quebec implemented a tax initiative dedicated to the maintenance and return to the labor market of the elderly, namely the “Tax credit for experienced workers”, today. renamed as the “Tax Credit for career extension”. However, to date, no study has been carried out on the effectiveness of this Quebec tax measure in which the government has spent nearly $ 700 million and is preparing to spend more in the coming years. Testing the effect of this incentive policy for experienced workers will therefore be the main objective of this research. In order to meet this objective, we performed multivariate regression analyzes using a statistical model developed from our review of the literature on labor force participation rates of people aged 55 and over. Our sample consists of 360 data or 36 observations (one for each of the years covering the period 1983 to 2018) for each of the 10 provinces of Canada. For the purposes of our analyzes, we selected the participation rate of those aged 55 and over as the dependent variable as well as a realistic selection of 10 independent variables divisible into three categories, i.e., trend and non-trend structural variables (term linear trend, squared trend term and set of 9 provincial dichotomies), economic variables (unemployment rate, interest rate and average weekly earnings) and public policy variables (income tax benefit work, incentive nature within pension schemes and tax credit for experienced workers). Our results show that the Quebec incentive, the tax credit for career extension, did not have the expected effects on workers aged 55 and over, while particularly noticeable changes are observable for this age group. It seems that the good performance of the economic situation is sufficient to explain a good part of the behavior of the participation rates of people aged 55 and over in Quebec. These results are sufficient to encourage further evaluation of the tax credit program, as well as all current and future incentive policies put in place by governments. / Alors que nous assistons à une accélération du phénomène du vieillissement démographique au Canada, une remontée spectaculaire du taux d’activité des personnes âgées se fait sentir depuis la fin des années 1990. Plusieurs facteurs peuvent être à l’origine de cette hausse, mais peu d’études se concentrent réellement sur la vérification empirique de ceux-ci. C’est d’ailleurs dans ce registre que se concentre cette recherche. En effet, en 2012, le gouvernement du Québec s’est vu mettre en place une initiative fiscale explicitement dédiée au maintien et au retour sur le marché du travail des personnes âgées, soit le crédit d’impôt pour les travailleurs expérimentés, aujourd’hui renommée sous le nom de « crédit d’impôt pour le prolongement de carrière ». Or, à ce jour, aucune étude n’a été réalisée sur l’efficacité de cette mesure fiscale québécoise dans laquelle le gouvernement a dépensé près de 700 millions de dollars et s’apprête à en dépenser davantage dans les prochaines années. Tester l’effet de cette politique d’incitation pour les travailleurs expérimentés sera donc l’objectif principal de cette recherche. Afin de répondre à cet objectif, nous avons réalisé des analyses de régression multivariée à l’aide d’un modèle statistique développé à partir de notre recension des écrits sur les taux d’activité des personnes âgées de 55 ans et plus. Notre échantillon se compose de 360 données, soit 36 observations (une pour chacune des années couvrant la période de 1983 à 2018) pour chacune des 10 provinces du Canada. Pour les fins de nos analyses, nous avons choisi le taux d’activité des 55 ans et plus à titre de variable dépendante ainsi qu’une sélection réaliste de 10 variables indépendantes divisibles en trois catégories, soit des variables structurelles tendancielles et non tendancielles (terme de tendance linéaire, terme de tendance au carré et ensemble de 9 dichotomiques provinciales), des variables économiques (taux de chômage, taux d’intérêt et rémunération hebdomadaire moyenne) et des variables de politiques publiques (prime au travail, prestation fiscale pour revenu de travail, caractère incitatif à l’intérieur des régimes de pensions et crédit d’impôt pour les travailleurs expérimentés). Nos résultats démontrent d’ailleurs que l’incitative québécoise, soit le crédit d’impôt pour le prolongement de carrière n’a pas eu les effets escomptés sur les travailleurs âgés de 55 ans et plus, alors que des changements particulièrement marquant sont observables pour ce groupe d’âge. Il semble que la bonne tenue de la conjoncture économique soit suffisante afin d’expliquer une bonne part des comportements des taux d’activité des 55 ans et plus au Québec. Ces résultats sont suffisants afin d’inciter à la poursuite de l’évaluation du programme de crédit d’impôt, de même que l’ensemble des politiques d’incitation actuelles et futures mises en place par les gouvernements.

This study presents an overview of the medical expenditure allowed to taxpayers in the South African Income Tax Act, 58 of 1962 (hereafter the “Income Tax Act”). The study traces the changes made to the allowed expenditure over time. Changes made to the Income Tax Act, illustrating the effect of qualifying medical expenses on the income of persons with disabilities in terms of the Income Tax Act, are described. Certain provisions of the Income Tax Act, as well as other legislation dealing with persons with disabilities, were analysed. Furthermore, the research shows the effect of moderate to severe limitations on a person’s ability to claim qualifying medical expenses. In particular, the change over from the medical tax deduction system (section 18 of the Income Tax Act) to the medical tax rebate system (sections 6A and 6B of the Income Tax Act) to redress the inequality between high income and low income earners, was analysed. Case studies were used to illustrate that the medical tax deduction system (section 18 of the Income Tax Act) favoured high income earners over low income earners. Finally, the change over from the medical tax deductions (section 18 of the Income Tax Act) system to the current system of medical tax rebates (sections 6A and 6B of the Income Tax Act) was analysed. Except for a very small group of taxpayers, the medical tax rebate system (sections 6A and 6B of the Income Tax Act) was found to be financially more favourable to all taxpayers. / Taxation / M. Compt. (Taxation)

In this paper, I analyze the effectiveness of state level Earned Income Tax Credit programs on improving of poverty levels. I conducted this analysis for the years 1991 through 2011 using a panel data model with fixed effects. The main independent variables of interest were the state and federal EITC rates, minimum wage, gross state product, population, and unemployment all by state. I determined increases to the state EITC rates provided only a slight decrease to both the overall white below-poverty population and the corresponding white childhood population under 18, while both the overall and the under-18 black population for this category realized moderate decreases in their poverty rates for the same time period. I also provide a comparison of the effectiveness of the state level EITCs and minimum wage at the state level over the same time period on these select demographic groups.

Made available in DSpace on 2016-04-26T20:23:32Z (GMT). No. of bitstreams: 1 Otavio Loureiro da Luz.pdf: 714470 bytes, checksum: 1c2f11f1cd3807178a534750bc5dd36b (MD5) Previous issue date: 2015-03-02 / The objective of this work is to develop the theme the homologation assessment as essential to the process of recognition of the law. For this purpose, sought to demonstrate the importance of the assessment (individual and concrete standard) as bond between the hypothesis and the consequence, it´s function of incidence between these two elements in the process of building the rule of law is essential for the establishment of tax credit that only the administrative authority has the competence to carry it out, the modalities of release, as the taxation pending official recognition by the tax authorities in deontic operation and in case of its failure the need of the official assessment and the establishment of the administrative process to be possible payment or difference or to remedy any irregularity on the part of the taxpayer in his "statement", as well as the violation of constitutional and legal principles, if the tax authorities directly tax enforcement further without the launch by the administrative authority / O objetivo do presente trabalho é desenvolver o tema o lançamento por homolação como ato imprescindível ao processo de positivação do direito. Para tanto, procurou-se demonstrar a importância do lançamento (norma individual e concreta) como liame entre a hipótese e a consequência, sua função de incidência entre esses dois elementos no processo de contrução da norma jurídica, imprescindível para a constituição do crédito tributário que somente a autoridade administrativa detém a competência para realizá-lo, as modalidades do lançamento, como se dá o lançamento por homologação na operação deôntica e no caso de sua inobservância, a necessidade do lançamento de ofício e da instauração do processo administrativo para haver eventual pagamento ou diferença ou ainda para sanar alguma irregularidade por parte do contribuinte em sua declaração , bem como da violação dos princípios constitucionais e legais, caso o Fisco promova diretamente a execução fiscal sem o lançamento pela autoridade administrativa

隨我國經濟發展與產業結構變遷，從經濟管制到市場自由，自勞力密集之製造出口至技術密集之產業升級，期間有不同階段之稅捐優惠作為引導。 研究發展活動具有外部正面性，同時有市場失靈之可能，私部門可能因此而不願投入、或投入不足之資源，進行研究發展活動。為獲得整體社會之最大利益，稅捐除作為財政工具，作為經濟目的之政策誘因之正當性也獲得承認。政府為促進民間投入研究發展，可能以直接補貼或提供租稅優惠方式給與鼓勵，以協助企業進行研究發展，降低跨足新興產業之進入障礙及營運風險。 但稅捐優惠之提供，乃對具相同負擔稅捐能力者，課以不同之稅捐負擔，以引導特定之作為或不作為，無可避免的違反量能課稅原則下的平等原則。何以相同負擔稅捐能力者，有不同之稅捐負擔，應有實質之說明理由。其成效與影響如何，是否達成制度上犧牲量能課稅原則所欲追求之目的，應與直接補貼接受相同程度之公開之監督與績效衡量。 就研究發展投資支出可抵減之稅額，未分配盈餘加徵百分之十部份乃為縮減營利事業所得稅與個人綜合所得稅之之實現時間差距，而研究發展投資抵減，則為分擔企業研發風險，鼓勵知識之累積，提升附加價值，兩者制定之精神互不相同，以研究發展投資抵減未分配盈餘加徵百分之十之「營利事業所得稅」，似有扞格，但兩稅合一後，營利事業所得稅在公司此一法律主體之稅捐負擔意涵已大幅下降。是以，就研究發展投資抵減未分配盈餘加徵百分之十之稅額部分，衝突程度亦獲得一定程度之解決。另外，所得基本稅額條例規定營利事業及個人皆需有一定之基本稅額負擔，此即所謂最低稅負制。所得基本稅額條例明確將研究發展投資抵減之金額計入營利事業基本稅額之計算，對之課以基本稅額，符合所得基本稅額條例施行之精神，乃合理之設計。 本文以表格方式整理方式，對照獎勵投資條例、促進產業升級條例與產業創新條例對稅基、稅率、稅額與時間歸屬之影響；針對投資抵減實務施行爭議，本研究則整理相關判決以供參考。 以上述三條例之演進趨勢而言，稅捐優惠之給予範圍已逐漸縮小，而改以直接補助或金融協助；技術開發補助與輔導；提供資訊管道、建構交易平台、整合業界、規劃工業區等行政協助，應用多元方式協助產業發展。 研究發展投資抵減之適用範圍、申請期限、申請程序、核定機關、施行期限、抵減率及其他相關實體事項，若立法之技術與資源已有相當累積，以法律位階就投資抵減作較具體之規範，應為立法機關所考慮。 / Abstract With the economic development and the changing in industry structure, from economic regulation to an open market, and from labor-intensive to technology -intensive, the government is guiding the market by tax incentive and other kinds of tool. Because R&D has positive externalities, barriers to entry and the possibilities of market failure, private sector may not willing to input resource for R&D. For social welfare maximization, the government may use tax incentive to encourage private sector to do R&D. By provide R&D Tax Credit or subsidy , the government can encourage the private sector to do more R&D. But providing tax credit will unavoidably conflict with Principle of Ability to Pay. There should be a reason for why people have the same ability to pay the tax pay different tax. The same supervise and performance evaluation must be done for tax credit and subsidy. For 10% surtax on Retained Earnings is to narrow down the time difference between the realized of corporation tax and individual income tax, and the R&D credit is for sharing risk of failure, encouraging research and development, and rising EVA, the tax which can be credited should not include surtax on Retained Earnings. But with the applying of Integrated income tax system, the conflict has been partly solved. For Alternative Minimum Tax, R&D expense can’t be credited is a reasonable design. This paper mainly focus on comparing the differences of tax base, tax rate, and income tax payable etc. in the Enactment of Encouragement Investment, the Statute for Upgrading Industry, and the Statute for Industrial Innovation. Also sued cases were collected to report any violations of existing R&D policies for future amendment concerns. The range of tax credit is shrinking, and is replaced by subsidies, industrial technology development programs, and the setting of science parks etc. And for principle of taxation under the law, The Statute for Industrial Innovation should be ruled in law by the legislative.

本論文探討兩稅合一制所增設的兩個機制，即稅額扣抵比率及加徵保留盈餘稅對上市公司股利發放、資本結構以及公司租稅規劃的影響。首先以數學模式推導出兩稅合一制下這兩個機制與股利發放率及負債權益比率之間的關係，再據以建立研究假說，而後進行兩步驟多變量程序之實證測試。研究所獲致的結果包括： 　　一、兩稅合一制實施後，上市公司稅額扣抵比率與總（盈餘）股利發放率呈正相關，且上市公司稅額扣抵比率愈高者，其總（盈餘）股利發放率、現金股利發放率及盈餘配股發放率皆較兩稅合一制實施前高。由於公積配股並不受兩稅合一制實施的影響，故本文也發現兩稅合一制實施前後公積配股率並無顯著差異。整體而言，兩稅合一制實施後，總（盈餘）股利發放率、盈餘配股發放率及公積配股率較實施前減少，而現金股利發放率較實施前增加。進一步的分析顯示現金股利發放率的增加係受到健全股利政策的推行影響，而盈餘配股發放率的減少可能是受到股票股利緩課取消的影響。 　　二、兩稅合一制實施後，符合促進產業升級條例第八條及第九條規定之投資方案，選擇股東投資抵減之公司並無顯著多於選擇五年免稅之公司，可能原因為選擇五年免稅有利於公司現金流量及每股盈餘的金額。此一結果雖與預期方向相反，但也顯示政府原先擔心公司會選擇股東投資抵減而造成鉅額稅收流失的疑慮並未獲得實證支持。但從兩稅合一實施後公司股權結構的變動分析顯示，公司法人持股比率較實施前增加，而僑外投資持股率較實施前減少，支持公司在不同股東身分稅負差距的考量下，會有股權結構移轉之租稅規劃，以降低股東所負擔的稅負。 　　三、兩稅合一制實施後，上市公司稅額扣抵比率愈高者，股東所享扣抵權愈多，則舉債租稅利益愈少，因而總負債權益比率將降低；而上市公司保留盈餘比率愈高者，所課徵的保留盈餘稅愈高，舉債利息的租稅利益反而增加，會造成總負債權益比率增加。本文的實證結果也顯示，兩稅合一制實施後，上市公司稅額扣抵比率愈高者，其總負債權益比率較實施前低；而上市公司保留盈餘比率愈高者，其總負債權益比率較實施前高。 　　綜合本論文實證結果顯示，兩稅合一制實施後，稅額扣抵比率的機制確實其有消除股利所得重複課稅的效益，進而提高公司股利發放的意願，並且有助於公司資本結構的改善。但是，政府對於未分配盈餘加徵 10％營利事業所得稅的規定卻不利於公司資本的累積，反而提高舉債的租稅誘因，也可能抵銷稅額扣抵比率降低舉債的效果，值得政府深入檢討對公司未分配盈餘課稅的不利影響。 / Enacted in 1998, the Integrated Income Tax System has two important features, i.e., the imputation tax credit to shareholders and the 10% surtax levied on undistributed earnings. Using two-step multivariate regression, this study exmines the impacts of these two features on corporations' dividend payout, tax planning, and capital structure. The findings of this study are as follows : 　　1. After implementation of the Integrated Income Tax System, the imputation tax credit ratio is positively related with total dividends payout ratios. Companies with higher imputation tax credit ratios tend to pay out more cash dividends and earnings stock dividends, ceteris paribus. However, there appears no significant relation between the imputation tax credit ratio and capital stock dividends. On average, after implementation of the Integrated Income Tax System, stock dividend payout ratios, including earning stock dividends and capital stock dividends, are decreased, but cash dividend payout ratios are increased. The increase in cash dividend payout may be affected by the balance dividend policy by the SEC, which require corporations to pay out greater proportions in cash dividends. The decrease in earning stock dividends may be due to the cancellation of the deferral of tax on stock dividends. 　　2. After implementation of the Integrated Income Tax System, inconsistent with the expectation, companies still prefer the five-year tax exemption to the investment tax credits. The results suggest that companies' choices are affected more by such factors as corporate cashflows and earnings per shares. However, after implementation of the Integrated Income Tax System, there is a significant change in stockholder structures, with the ratios of corporation stockholders being increased while the ratios of oversea stockholders being decreased. The opportunity of tax arbitrage will have a significant impact on corporations' stockholder structures. 　　3. After implementation of the Integrated Income Tax System, for companies with higher imputation tax credit ratios, their stockholders will have greater tax benefits, and, hence, the tax benefit for companies to use debt financing is decreased. Conversely, companies with higher ratios of retained earnings will bear more tax burdens on the 10% surtax levied on undistributed earnings; therefore, the tax benefit of debt financing is increased. The empirical results support that, ceteris paribus, companies with higher imputation tax credit ratios tend to have lower debt-to-equity ratios, while companies with higher ratios of retained earnings tend to have greater debt-to-equity ratios. 　　In summary, after implementation of the Integrated Income Tax System, the imputation tax credits reduce the double taxation on stockholders' dividend income and, hence, improve corporations' capital structure. However, the 10% surtax on undistributed earnings may result in opposite effect on corporations' capital structure. The findings of this study have important implications for the government to take into account the potential adverse impacts resulted from taxes levied on corporations' retained earnings.

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This dissertation interrogates which principles should govern the interpretation of South African Double Tax Agreements (‘DTAs’). This field of study is complex because any DTAs have a dual nature. In the first place, it is an international agreement where two states are parties (a bilateral agreement); second, it also becomes part of domestic law. DTAs are governed by principles of customary international law some of which have been codified in the Vienna Convention on the Law of Treaties (‘VCLT’). Though South Africa is not a party to the VCLT, nevertheless, there is judicial support in South Africa for the notion that VCLT reflects general principles of international law [Harksen v President of the Republic of South Africa 1998 (2) SA 1011 (C)]. DTAs are incorporated into South African domestic law by way of statutory enactment in accordance with the dualist approach to international law. The first purpose of the dissertation is to systematise and analyse the structure of an OECD Model Tax Convention (‘OEC D MTC’) and the international methods (principles) of interpretation of DTAs in order to gain a better understanding of how this international methods functions. A number of issues relating to the interpretation of these methods are analysed. Since DTAs are applied by tax authorities, courts and taxpayers in a domestic law context, i.e. within the framework of the legal system of a particular state, the analysis focuses on the application in South Africa of the methods of the interpretation of South African DTAs. The second objective of the dissertation refers to international tax law principles (treaties and customary international law) derived from South Africa public international law and to evaluate a few selected issues related to South African DTAs and their relevance to South Africa domestic tax laws; the interpretation of DTAs and the implications of a DTA overriding or in conflict with South Africa domestic tax laws. It will also interrogate the legal status of a DTA under South African tax law and whether the anti-discrimination article in South Africa DTAs have the force of law in South Africa? / Dissertation (LLM)--University of Pretoria, 2014. / gm2014 / Mercantile Law / unrestricted