underground economy affects important indexes such as formal gdp, unemployment, consumption, production and etc. therefore it is necessary to identify elements and factors which affect underground economy to restrict it. surveys and studies indicate the size of iran’s underground economy is high and taxes, quantity and quality of regulations and performance of formal economy are the important f...

Biofuels have gained increasing attention as an alternative to fossil fuels for several reasons, one of which is their potential to reduce the greenhouse gas (GHG) emissions from the transportation sector. Recent studies have questioned the validity of claims about the potential of biofuels to reduce GHG emissions relative to the liquid fossil fuels they are replacing when emissions owing to di...

How tax practitioners approach ethical dilemmas remains generally unexplored in academic literature. We use here Rest’s original Defining Issues Test (Development in judging moral issues. Minneapolis: University of Minnesota Press, 1979; Moral development. Advances in research and theory. New York: Praeger Publishers, 1986), combined with a tax context-specific test and in conjunction with a co...

I document voting behavior in Washington State’s revenue-neutral carbon tax referendum of November 2016. The initiative (I-732) would have taxed carbon emissions from fossil fuels while simultaneously lowering the retail sales tax and certain manufacturing taxes and matching the federal Earned Income Tax Credit. Voters rejected I-732 with 41% voting for and 59% against. Precinct-level vote shar...

South Africa (SA) has limited scope for raising income taxes, and the proposed National Health Insurance (NHI) scheme will necessitate growth in the health sector budget. The NHI White Paper suggests five funding scenarios to meet the expected shortfall. These scenarios are a mixture of a surcharge on taxable income, an increase in value-added tax and a payroll tax. Five alternative options, su...