Turnover taxes are prevalent in developing countries as a simple form of presumptive taxation of business income. Such simplified tax regimes can reduce the relatively high compliance costs of micro and small enterprises, which might otherwise discourage entrepreneurs from formalizing their...

We construct the ratio of the post-fisc to the pre-fisc transitory component of the variance of family incomes in Canada from 1993 and 2008. The ratio measures how much the tax and transfer system attenuates market income instability. It is shown that the ratio of variances is equivalent...