Lifting the tax exemption for jet fuel used for international flights is a recurring demand from many stakeholders committed to sustainable development. Currently, this exemption keeps the carbon pricing of jet fuel at an excessively low level and is inconsistent with the decarbonisation...

This paper quantifies the effects of a hypothetical $40 per ton of CO2 tax on maritime transport implemented worldwide. Calculations are based on trade data covering the 2012-2018 period for 185 countries and on a multisector structural gravity model designed to isolate seaborne trade and to...

Lifting the tax exemption for jet fuel used for international flights is a recurring demand from many stakeholders committed to sustainable development. Currently, this exemption keeps the carbon pricing of jet fuel at an excessively low level and is inconsistent with the decarbonisation...

The recent deployment of fibre-optic submarine cables (SMCs) in sub-Saharan Africa (SSA) raised the prospects for the digital economy expansion and the whole sub-continent take-off, but also exposed countries and populations to new sources of vulnerability. This paper provides empirical evidence...

Customs authorities in developing countries are often reluctant to forgo systematic inspections for fear of risking revenue loss. Such physical inspections, however, impede rather than facilitate trade. Control selectivity is therefore a key issue in customs administration reform. This paper...

Preshipment inspection programs are implemented in many developing countries to fight customs corruption. They consist in delegating the inspection of imports to a private firm that operates in the exporting country. To study those PSI programs, we develop a hierarchical agency model where the...

Preshipment inspection programs are implemented in many developing countries to fight customs corruption. They consist in delegating the inspection of imports to a private firm that operates in the exporting country. To study those PSI programs, we develop a hierarchical agency model where the...