(4)A substantial part of old age pensions is provided under public schemes. Notwithstanding the exclusive national competence regarding the organisation of pension systems as determined by the Treaties, income adequacy and financial sustainability of national pension systems are crucial to the stability of the Union as a whole. By channelling more of Europeans’ savings from cash and bank deposits to long-term investment products, such as voluntary pension products with a long-term retirement nature, the impact would therefore be beneficial both for individuals (who would benefit from higher returns and improved pension adequacy) and for the broader economy.