Inge Kaul, pioneering development economist and architect of the global public goods framework, discusses her groundbreaking work on international cooperation and development financing in this 2015 interview recorded at her flat in Berlin. Economists define public goods — like street lighting — as things everyone benefits from that nobody can be excluded from using. The problem is that individuals won't voluntarily pay for them, so governments provide them through taxation. Kaul's insight was recognising that globalisation has created global public goods — climate stability, disease control, financial stability — that benefit everyone across borders but that no world government exists to provide. Her central argument: financing cooperation on global public goods requires "new and additional" resources beyond traditional development assistance, because they serve fundamentally different purposes — one driven by moral concern for the poor, the other by shared self-interest. The conversation explores the fierce political resistance her ideas encountered, the chronic diversion of aid money towards global public goods purposes in violation of international agreements, her critical assessment of the SDGs, and the structural reforms needed in multilateral institutions. Kaul passed away in 2023, making this interview a valuable record of her intellectual legacy.
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