compare_avg_tax_rates

A single <code>data.table</code> containing columns <code>new_tax</code>,
<code>Taxable_Income</code>, <code>baseline_tax</code>.

A <code>data.table</code> of a single cross-section of taxpayers from
which baseline percentiles can be produced.

baseDT

Subset <code>DT</code> by <code>by</code>.

To determine the effects of bracket creep on a proposed tax policy,
a common task is calculate the change in the average tax rates for each percentile.
This function accepts a sample file and a baseline sample file, and returns a 100-row table
giving the mean change in average tax rates for each percentile, compared to the baseline.

Utilities for costing and evaluating Australian tax policy, including high-performance tax and transfer calculators, a fast method of projecting tax collections, and an interface to common indices from the Australian Bureau of Statistics.  Written to support Grattan Institute's Australian Perspectives program. For access to the 'taxstats' package, please run
install.packages("taxstats", repos = "https://hughparsonage.github.io/tax-drat/", type = "source").
N.B. The 'taxstats' package is approximately 50 MB.

Hugh Parsonage

grattan

Australian Tax Policy Analysis

Tim Cameron

compare_avg_tax_rates: Compare average tax rates by percentile

Description

Usage

Arguments