Renewal

Financial taxes

Last Updated:
July 22, 2021
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Financial transaction taxes

A financial transactions tax (FTT) can be used to shift the incentives financial firms face when deciding on their trading strategies. In particular, such taxes can disincentivise high-frequency trading, which is associated with rising volatility in financial markets.

FTTs can also generate significant revenue. At least forty countries already have taxes on financial transactions of one kind or another, including the UK where stamp duty acts as a form of FTT on trading in equities. It was estimated in 2017 that a modest extension of a FTT in the UK could raise an estimated £23.5 billion over the course of a Parliament. 

Currency transaction tax

The principle of financial transactions taxes can also be applied to currency trading. Currency transactions taxes (CTTs) act to slow down currency transactions by raising their cost, thus reducing volatility. This makes them effectively a form of capital control – a tool that can be used to help regulate the flow of money into and out of economies.

As Covid-19 unfolded many countries faced significant capital outflows, strengthening arguments for using CTTs as a partial response, particularly for emerging markets.

Taxes on bank profits

Policymakers can also introduce less targeted financial taxes such as bank levies, which can help to curb systemic risk and ensure that the taxpayer benefits from the rewards of financial risk-taking rather than simply bearing the costs.

The UK introduced both a corporation tax surcharge for banks and a bank levy in the wake of the financial crisis of 2008. This was levied on the global balance sheets of large banks operating in the UK, but the revenue generated by the tax has fallen since the financial crisis in part due to changes to its structure introduced in 2016. 


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