Mathieu's recent research interests include Trade Policy and International Corporate Taxation.

VoxEU Column
Globalisation for sale: The winners dominate the politics of trade agreements
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- Global economy 
- International trade 
- Politics and economics

VoxEU Column
International corporate taxation after COVID-19: Minimum taxation as the new normal
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- Taxation

VoxEU Column
How services boost goods exports
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- Industrial organisation 
- International trade
VoxEU Column
Knocking on tax haven’s door: Multinational firms and transfer pricing
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- Taxation