the aim of this study was to examine dimensions of tax exemptions in iran sport from viewpoints of managers of sport clubs and sport experts. the research method was descriptive and correlation. statistical population included the managers of sport clubs and sport experts in three provinces of tehran, isfahan and fars. sample of managers were equal to the statistical population (n=n=25) and the...

Superoxide dismutases convert superoxide anions to molecular oxygen and hydrogen peroxide, which, in turn, is metabolized by catalases and/or peroxidases. These enzymes constitute one of the major defense mechanisms of cells against oxidative stress and hence play a role in the pathogenesis of certain bacteria. We previously demonstrated that group B streptococci (GBS) possess a single Mn-cofac...

e-commerce that has undergone an increasing trend in recent years has been regarded as the modern method for transfer of information and economic exchange.   this phenomenon brings about massive changes in most of relations between various economic institutions. such changes have also occurred in tax systems. hence, the present research aims to investigate effect of e-commerce on tax structure ...

During long-term low-flow sevoflurane anesthesia, dew formation and the generation of compound A are increased in the anesthesia circuit because of elevated soda lime temperature. The object of this study was to develop a novel radiator for carbon dioxide absorbents used for long durations of low-flow sevoflurane anesthesia. Eleven female swine were divided into two groups comprising a "radiato...

OBJECTIVES To evaluate 2-year changes in soda consumption, weight, and waist circumference. METHODS We followed 11 218 women from the Mexican Teachers' Cohort from 2006 to 2008. Dietary data were collected using a semiquantitative food frequency questionnaire. Weight was self-reported, and waist circumference was self-measured. We used linear regression to evaluate changes in sugar-sweetened ...

If conventional instruments of strategic trade policy are unavailable, the system of foreign profit taxation and transfer price guidelines may serve as surrogate policy instruments. In this paper, I consider a model where firms from two countries compete with each other on a third market. I analyze optimal policy choices of the firms’ residence countries aiming at strategically manipulating the...

while economic deterrence models are fully based on maximizing economic utility; social psychology models explain human behavior by examining the underlying attitudes, norms and beliefs. tax morale is defined as the intrinsic motivation to pay taxes. however, determinants of tax morale need to be investigated for a more comprehensive understanding of tax morale. in this paper we analyze the mos...

The contents of the paper are solely the responsibility of the authors and do not necessarily represent the official views of the National Institute of Health. The authors have no conflicts of interest to disclose. All authors contributed to the development of this manuscript and have read and approved the final version. ABSTRACT Objective: Recent research suggests soda consumption is associate...