Sumário:Attaining social goals via public contracts : the (new) Eu integrated approach -- Social goals via public contratcts in the Eu : who sets the bar and strikes the balance? -- Tailoring Buying sustainable apprroaches (Bsas) : an introduction: Bsas through participation requirements. Bsas through award criteria. Bsas through contract performance conditions -- Labour conditions in the Eu public procurement market : an already fully harmonized sector? -- Economic freedoms, worker protection and territorial constraints concerning the place of contract performance.