Europe’s growing defence ambitions raise a difficult question: what is a fair way to share the burden of collective security? In this new expert analysis, HCSS research scientist Rens van Dam explores why equal defence spending targets may not reflect the realities of threat perception across Europe. Using a Lindahl model based on countries’ proximity to Moscow, the research suggests that states facing greater risks should contribute more. As Europe adapts to a reduced U.S. role in NATO, the debate is no longer only about spending more – but about how to distribute costs fairly and effectively.Read More
