Equally, a low rate does not establish that its own reduction will generate additional revenue.

The researchers could not establish whether compliance gains arose from the changed tax parameters or accompanying enforcement.[3] Russia supplies evidence worth examining, not a universal revenue guarantee.

[3] Anna Ivanova, Michael Keen and Alexander Klemm, The Russian Flat Tax Reform, IMF Working Paper WP/05/16 (2005), abstract and conclusions.

A tax system can punish the same people repeatedly and still fail to finance the state. Pakistan’s answer has too often been another rate increase, another deduction at source or another demand on the documented economy. The result is a false choice: accept escalating burdens or be accused of opposing revenue mobilisation. Fiscal justice requires a more demanding question. What combination of rates, coverage, enforcement and expenditure produces the best outcome for society?

Part I of the series argued for bringing ownership into the fiscal bargain while protecting livelihoods. The next step is to examine the case for lower and predictable taxation without replacing one article of faith with another. A high statutory rate does not establish strong fiscal capacity. Equally, a low rate does not establish that its own reduction will generate additional revenue. Both propositions must be tested against behaviour and institutions.

In Towards Broad, Flat, Low-rate and Predictable Taxes, we proposed simpler 10% income taxation for individuals and 20% for companies, an 8% unified goods and services sales tax, harmonisation and a federalised collecting agency.[1] These were components of a common programme. Selecting the rate reduction while retaining arbitrary enforcement, blocked refunds and selective concessions would abandon much of its rationale. The proposal concerns how the state taxes, as well as how much.

The arithmetic is straightforward. Revenue equals the rate multiplied by the effective collected base. If a rate falls from 18% to 8%, that base must become 2.25 times as large to preserve receipts from the instrument. If the underlying taxable base expands by 20%, compliance will have to improve by a factor of 1.875; an increase from 40% to 75% would meet that illustrative condition. These are break-even calculations, not estimates of what Pakistani taxpayers will do.[2] This distinction matters because public debate often counts the same gain twice.

Formalisation may improve reported activity without increasing actual production. Inflation can raise nominal collections while purchasing power declines. Delayed refunds can flatter revenue figures while transferring working capital from businesses to the treasury. A serious........

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