In promoting the principle of subsidiarity, STAN encourages localism, decentralisation, reduced bureaucracy and corruption clampdown. In decentralization, the principle of subsidiarity is often invoked. Distributism puts great emphasis on the principle of subsidiarity. Localism as a philosophy is related to the principle of subsidiarity. Phillip Berryman considers the principle of subsidiarity to be essentially anarchistic. The subsidiarity principle resolves some of these issues. This national service system operates on the principle of subsidiarity. The principle of subsidiarity does not apply to areas of exclusive competence. The principle of subsidiarity was developed by German theologian and aristocrat Oswald von Nell-Breuning. Their power to enforce the principle of subsidiarity is of particular note. Regional and community based natural resource management is also based on the principle of subsidiarity. In 2013 presented the doctoral thesis project entitled "The principle of subsidiarity in Spain". This is called subsidiarity in Catholic political thought. This is the so-called early warning mechanism concerning subsidiarity. Boats Group, a subsidiarity of Apax Partners publishes YachtWorld Market Index.