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Research has shown that the tax treatment of replacement incomes differs considerably among countries. Consequently, the ranking of countries by expenditure level is different for gross and net social expenditures. On a micro level this is translated into a gap between gross and net benefits; this gap varies among countries. In this chapter, we use EUROMOD for an international comparison of the difference between gross and net benefits at the micro level. We investigate the distribution effects of the income tax treatment of replacement benefits, focusing on old-age pensions and unemployment benefits. We present a summary overview of the different ways of levying taxes on benefits in the pre-2004 EU-15 countries. We then try to answer the question how the tax treatment of social security benefits affects the distribution of these benefits and how progressive taxes on benefits are compared to taxes on earnings.

By the mid-1990s the potential and usefulness of microsimulation models for researching tax-benefit systems had found widespread acceptance. Nevertheless, models were not widely available for independent or academic research in all countries of the European Union (EU). Even more important, carrying out consistent comparative tax-benefit microsimulation analysis was still an apparently impossible task. The time seemed ready for a European-Union-wide tax-benefit microsimulation model. Such a model, EUROMOD, is now available.

This chapter is devoted to a short introduction to EUROMOD, including the reasons why it was built, its added value compared to existing models, the trade-offs faced by its builders and lessons that have been learnt from developing such an integrated model. Moreover, it aims to provide an insight into the wide range of possible applications of EUROMOD, underlined by summarizing some indicative findings of studies, which have used the model.

The purpose of this paper is to add to the stream of research examining the difference between the amount of taxes waived for nonprofit hospitals and the amount of charity care they provide.

The study is an archival study.

Almost all nonprofit hospitals in the sample provide enough charity care to cover their waived taxes. Almost none provide enough charity care at the level that has been proposed to the federal government for hospitals to maintain their nonprofit status.

As with most hospital research, a limitation is this study’s focus on a single state to control for regulatory differences among states.

The data on the new Form 990 allow better measurement and transparency regarding a nonprofit hospital’s charity care. For legislators, regulators, and taxpayers, the results from this study raise questions about: the large variations in the amount of charity care provided among nonprofit hospitals and whether enough is being done in terms of providing charity care.

There is great variation among nonprofit hospitals as to the amount of charity care provided. Relying upon a nonprofit hospital’s altruistic nature may not be enough to ensure that they act in the best interest of society.

This study is unique because, for the first time, a true measure of taxes waived is used in the analysis. All previous research has had to proxy taxes.

The analysis presented in this chapter defines three different synthetic measurements of disincentives for formal work: two standard measurements, namely, the tax wedge and the marginal effective tax rate (METR); and a new, innovative measurement called formalization tax rate (FTR). The novelty of the latter is that it measures disincentives stemming not only from labor taxation but also from benefit withdrawal due to formalization. A descriptive analysis across a large number of OECD and Eastern European countries reveals that the disincentives for formal work – when measured through the FTR – are especially high for low-wage earners. This suggests that formal work might not pay in this segment of the labor market, in particular for the so-called mini-jobs and midi-jobs (low-paying part-time work).

Another novelty of the chapter is its empirical approach. Using EU-SILC 2008 data and OECD Tax and Benefit data for six Eastern European countries (Bulgaria, the Czech Republic, Estonia, Latvia, Poland, and Slovakia), we match disincentives for formal work to individual observations in a large data set. Applying a probit regression, the analysis finds a significant positive correlation between FTR or METR and the incidence of being informal. In other words, controlling for individual and job characteristics, the higher the FTR or the METR that individuals are facing is, the more likely they are to work informally. The tax wedge, on the other hand, yields a negative correlation. This indicates that the tax wedge is not sufficiently capturing disincentives for formal work. We also conclude that in cross-country analysis, it might be more useful to use the tax wedge that applies to low-wage earners as opposed to average wage earners.

This chapter investigates whether and to what extent tax benefits affect the likelihood of firms undertaking leveraged buyout (LBO) transactions.

With an identified sample of LBO firms and similar non-LBO counterparts, this chapter utilizes staggered changes in state corporate income tax rates as exogenous shocks and adopts a Logistic regression to analyze how these tax changes affect firms' probability of engaging in LBOs.

Firms are more likely to engage in LBOs after increases in corporate income tax rates. Specifically, the increase in the likelihood of firms undertaking LBOs following tax increases is between 6.9% and 12.9%. We also find that this positive relation is more pronounced for firms with higher levels of return on assets (ROA) and marginal tax rates (MTR). Finally, we report that the mean value of tax benefits accounts for between 28.5% and 170% of the premium paid to pre-buyout shareholders.

This chapter provides strong evidence that tax benefits constitute an important source of value creation in LBOs and adds to the debate regarding the role of tax benefits in LBOs.

This study theoretically investigates the impacts of tax benefits on funding level and risk-taking of a corporate defined benefit (DB) pension plan.

The present value of the future tax benefits is maximized while the stockholders determine the funding level and investment risk-taking in DB plans. As a feature of DB plans, this study considers pension benefits to be pre-determined. Further, the pension beneficiary has a priority over the sponsor company's creditors for the pension reserve fund. These are seldom considered in previous studies.

It is desirable to decrease the funding level of DB plans to increase tax benefits. This is because the effect of tax exemption for the pension fund's investment income is eliminated by the change in the contribution arising from the investment's result. The optimal investment risk-taking depends on the funding level.

The impact of tax benefits on decision-making for DB plans is significantly different from that stated by previous studies, that is, an increase in pension funds will reduce the corporate debt. To explain corporate behavior, this study's results—derived from the essential feature of DB plans, which could not have been included in previous studies—should be considered.

The Internal Revenue Code of the U.S. as well as income tax statutes in a number of states contain provisions that penalize some married couples by virtue of their marital status. These families have greater tax liabilities than would apply if the husband and wife divorced. At the same time, other married couples benefit from reduced taxes made possible by the income splitting provisions of the laws. Thus, some families receive tax benefits and others are penalized as a consequence of the choice to be married. There is now much discussion in Washington and state capitals of reducing and possibly eliminating the so-called “marriage tax”. Most proposals for reform retain the income splitting provision of the tax code; thereby avoiding direct harm to families currently receiving tax benefits from marriage. This is the approach adopted in this paper.