Is a public authority an “economic operator” for the purposes of the EU public procurement rules?

(Case C-203/14: Consorci Sanitari del Maresme v Corporació de Salut del Maresme i la Selva) was a case referred to the European Court of Justice (ECJ) by the Spanish authorities. The question they wanted answered was whether a public authority such as a local council could be considered as an “economic operator” for the purposes of the Public Sector Directive …