(2009) Population Policy through Tradable Procreation Entitlements 
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(2007) Procreation, Migration and Tradable Quotas (with D. de la Croix)
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(2004) Pourquoi des marchés de permis de polluer? Les enjeux économiques et éthiques de Kyoto
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(1999) The Legal Architecture of Joint Implementation: What Do We Learn from the Pilot Phase?
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