Innovative Finance Mechanisms: comparing Aviation Tax and Currency Transaction Tax
Updated: Sep 4
The Search for Development Finance in 2005
In 2005, it became increasingly apparent that the world's largest economies, including the United States, Japan, and Germany, were unlikely to meet the agreed target of allocating 0.7 per cent of their Gross Domestic Product to Overseas Development Assistance. This stark reality underscored an urgent need to identify additional, innovative ways to mobilise resources to fund the Millennium Development Goals. While the International Financing Facility was proposed as a mechanism to frontload the delivery of existing aid, it did not generate new money itself. Consequently, two major proposals emerged with significant political and popular support to raise fresh capital: the Currency Transaction Tax and the Aviation Tax. This 2005 briefing paper provided a critical comparative analysis of these two mechanisms to determine the most viable path forward for international development finance.
Evaluating the Revenue Potential
When comparing the revenue potential of the two policies, the currency market presented a vastly larger base. At the time, global currency transactions amounted to roughly $475,000 billion per annum. The briefing outlined that a minuscule stamp duty of between 0.005 per cent and 0.02 per cent on these transactions could generate approximately $30 billion in annual revenues. Even partial implementation offered massive returns; a tax applied exclusively across Europe could mobilise $15 billion to $20 billion, while a levy solely on sterling transactions in the United Kingdom would generate $4 billion to $6 billion in new money.
Conversely, the aviation sector was experiencing rapid growth, with passenger traffic estimated to reach 3,300 Passenger Kilometres Performed in 2005, up from 1,843 in 1991. Despite this growth, a proposed tax of $21 per metric tonne on all aviation fuel was estimated to mobilise a comparatively smaller $6 billion to $9 billion annually. Furthermore, improvements in aviation fuel efficiency meant that fuel consumption, and thereby the potential tax base, was growing at a slower rate than passenger traffic.
Political Climates and Industry Impacts
The political popularity and industry impacts of the two taxes also presented a sharp contrast. In 2005, the financial services industry was generating record profits, with the top banks earning $40 billion to $50 billion annually from foreign exchange market operations alone. Two of the most profitable institutions, Citibank and HSBC, posted combined profits exceeding $30 billion. Given the widespread public perception that these earnings were excessive, there existed a highly favourable political climate to implement a Currency Transaction Tax.
The global airline industry, however, was in a state of turmoil following the slump in air travel after the 2001 World Trade Centre bombings and soaring fuel prices. The International Air Transport Association reported aggregate losses of $36 billion since 2001 and forecast a precarious financial outlook for its members in 2005. Imposing a significant aviation tax during this period was widely viewed as likely to exacerbate the industry's severe financial distress.
The Incidence of Taxation: Who Really Pays?
Crucially, the briefing examined the incidence of the proposed taxes to determine who would ultimately bear the economic cost. The foreign exchange market was dominated by interbank trading and large financial institutions, with transactions by individuals comprising less than 0.1 per cent of the total, and trade-related transactions making up less than 10 per cent. Therefore, the bulk of a Currency Transaction Tax would be absorbed by the highly profitable financial services industry. Because this industry is disproportionately utilised by wealthier segments of society, the tax was deemed socially progressive and unlikely to negatively impact the broader population.
In contrast, the airline industry had already begun levying fuel surcharges to offset rising oil prices, and experts agreed that any new aviation tax would be passed directly and entirely to consumers. While wealthier individuals generally fly more frequently, a uniform aviation tax would disproportionately impact budget travellers, actively disadvantaging economically weaker segments of society.
Regulatory Precedents and Technical Feasibility
The regulatory environment and technical feasibility of implementing these taxes further reinforced the case for the currency levy. In 2005, the foreign exchange market remained one of the most loosely regulated financial sectors, completely devoid of direct taxation. This stood in stark contrast to other financial markets; for example, the United Kingdom already levied a 0.5 per cent stamp duty on stock purchases, generating over $7 billion annually. A stamp duty on currency transactions was viewed as a logical and natural extension of these existing financial transaction taxes. Furthermore, the electronic nature of the currency market meant that a tax could be collected cheaply and efficiently at the point of settlement through mechanisms like the Continuous Linked Settlement Bank or national gross settlement systems. While an implementation involving the Euro would require consensus across the Eurozone, countries such as the United Kingdom, Switzerland, and Sweden possessed the technical capacity to implement the tax unilaterally.
The proposed aviation fuel tax, however, faced formidable legal and technical hurdles. The 1944 Chicago convention explicitly forbade the taxation of aviation fuel to encourage the growth of the nascent airline industry. Furthermore, the International Civil Aviation Organization had ruled out the introduction of any international jet fuel tax until at least 2007. Overcoming these barriers would require renegotiating hundreds of bilateral air service agreements, a process deemed extremely complicated without broad international consensus. While the aviation industry was heavily taxed in other ways, with passenger duties and arrival taxes comprising over 30 per cent of an economy ticket's price in Europe, adding a fuel tax required significant political will and complex international diplomacy.
Conclusion and Policy Direction
The 2005 briefing ultimately concluded that there was a compelling and immediate case for European leaders to prioritise the implementation of a Currency Transaction Tax. While an Aviation Tax remained a desirable objective for global development finance, the economic distress of the airline industry and the massive legal complexities of international treaties meant it was only realistic over a much longer time horizon. The Currency Transaction Tax offered a fast, technically feasible, and socially progressive mechanism to raise the billions urgently needed to stamp out global poverty.
We invite you to download and read the full original report to explore the data and analysis that positioned the Currency Transaction Tax as a premier solution for global development funding.
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