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Publications (53)
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Cross-border traders face a choice between official and unofficial border crossings. The latter allow them to evade taxes, but expose them to other risks, such as bribes, fines, and arrest. We investigate the perceptions of cross-border traders about the risks of trading officially vs unofficially...
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– Evidence from Zambian tax administrative data
We investigate the behavioural responses of individual taxpayers to changes in marginal personal income tax rates applying empirical bunching methodology to tax administrative data from Zambia over the period from 2014 to 2021. We find evidence for excess bunching at the first kink in the tax...
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– The case study of a foreign-owned mining operation in Tanzania
Based on a case study of an anonymous mining company in Tanzania, this study assesses the implementation of the local content (LC) regulations and guidelines in the country. The analysis focused on the key LC aspects of the direct workforce (employment and training), procurement of goods and...
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Financial sanctions, which aim to economically hurt a target by restricting its access to financial assets and markets, require the ability to identify who owns an asset. Although experts have long claimed that offshore financial centres that offer secrecy (‘tax havens’) undermine sanctions by...
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This paper examines how trade sanctions affect the allocation of workers across formal and informal employment. We analyse the case of the unexpected and unprecedented trade sanctions imposed on Iran in 2012. We use a difference-in-differences approach and compare the probability of working in the...
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The United Kingdom’s (UK) property markets are thought to be a common destination for corrupt and criminal assets and money laundering, with investment often through offshore shell companies. Following the Russian invasion of Ukraine in 2022, we study the impact of the introduction of a policy in...
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In an environment with extensive corruption where much of the population evades paying their full taxes due, we tackle the question of optimal taxation when constituencies with opposing objectives (the poor and the rich) push tax policy in different directions. We think in terms of a government...
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We study whether misinvoicing in international trade is reflected in cross-border bank accounts as reported by offshore financial centres. We show that residents hold more offshore wealth when local misinvoicing practices thrive, especially for under-invoiced exports of natural resources. These...
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In a bid to realize its development aspirations, Tanzania has made concerted efforts to increase public investment, particularly in the last decade. A significant proportion of these investments are financed by contracting debt, manifested by the rapid accumulation of public debt, especially...
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This paper constructs time series of global profit shifting covering the 2015–19 period, during which major international efforts were implemented to curb profit shifting. We find that (i) multinational profits grew faster than global profits, (ii) the share of multinational profits booked in tax...
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We study the short-term effect of the introduction of the mandatory disclosure programme for aggressive tax arrangements by focusing on the one introduced in May 2018 under Council Directive 2018/288/EU (or DAC6). Employing bilateral data on cross-border deposits, we study the effect of this new...
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– Evidence from Argentina’s tax amnesties
This paper studies the effectiveness of tax amnesties and their impacts on capital taxation and public spending. We leverage rich policy variation from Argentina, where left- and right-wing governments implemented multiple programmes and achieved varying success. After numerous failed enforcement...
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Expansion of social protection reach among workers in the large informal economy represents a persisting and thorny challenge in the development context. In Mainland Tanzania, several domestically led policy reforms have been introduced to increasingly expand social protection for informal workers...
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– Exploring past policy trajectories and simulating future paths
Tanzania has expanded its social protection framework significantly over the past decade, but the country continues to grapple with important gender inequalities. This paper examines, first, the evolution and effects of Tanzania’s social protection policies since the 2000s, from the perspective of...
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Tanzania has experienced relatively strong and stable economic growth accompanied by social stability over the past two decades. The country is also pursuing an ambitious development plan with significant employment objectives. For development to be fully inclusive, specific attention must be paid...
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– Implications for policy
This paper analyses factors for the declining trend in clove exports in Zanzibar using time series data that were collected between 1980 and 2020 and analysed using the vector error correction model, complemented with qualitative analysis. Clove production, producer price, world price, gross...
Displaying 16 of 53 results