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This article identifies serious weaknesses in various commonly used methods of measuring "average" growth rates over several time periods. An alternative method is proposed which satisfies two essential criteria: firstly it smoothes the data to remove "exceptional variation" in the time series, and secondly, it incorporates a compounding process which, it is suggested, is an essential requirement of a "correct" average growth rate.

The paper compares the appropriateness & explanatory power of marginal tax rates, average tax rates, & tax progressivity as measures of the impact of taxation on growth. Data are organized as a panel of 25 industrialized countries from 1970-1998. Contrary to previous empirical research, but consistent with theory, we find that marginal effective tax rates & tax progressivity have a negative influence on economic growth. This negative correlation turns out to be robust after controlling for state & policy variables. Average tax rates, on the other hand, seem not to affect output dynamics. 3 Tables, 30 References. Adapted from the source document.

AbstractUsing filing‐level data, we compute the average marginal income tax rate for the State of Missouri. We have data from 2000 through 2015. We start with a simple experiment: consider the effect that a $10 change in federal adjusted gross income would have on each filer's tax payment. We find that with deductions, exemptions, and credits, the average marginal income tax rate has been remarkably steady over the years, ranging from 3.50% to 3.66%. This rate is much lower than the top marginal income tax rate, which has been 6% for taxable income greater than $9,000 for the entire sample period. In addition, we compute the average marginal income tax rate for different types of income in order to compare directly with the NBER's reported state rate.

AbstractIn wealth accounting and sustainability assessments, we characterize the non-declining wealth criterion under dynamic average utilitarianism (DAU) as defined by Dasgupta (2001). Under DAU, the objective function consists of total intergenerational well-being divided by the present discounted sum of population from the present to the future. It is shown that, in order for an economy to be on a sustainable path, inclusive wealth should grow at a rate higher than the difference between the discount rate and the share of current population of the discounted future population. Our application to the inclusive wealth index shows that, among other results, the DAU criterion changes sustainability assessments for some developing countries with future demographic change, implying that wealth does not accumulate sufficiently in light of DAU. We also show empirical estimates of the value of population change under total utilitarianism, average utilitarianism, and DAU.

This paper extends the effective average tax rate (EATR) developed in Devereux and Griffith (2003) by relaxing the assumption of a one-period perturbation in the capital stock. Instead it allows a permanent investment. While this may appear a small change, it has important implications. First, it allows the EATR to be calculated in the presence of tax holidays, which are an important part of tax systems, especially in developing countries. Second, it reveals an interesting feature of the original EATR: despite the assumption of a one-period investment, the original measure is informative about