The Higher Diploma in Economic Science is an intensive and challenging two-semester taught programme in core economic theory and methods, with a variety of specialist options. It is mainly intended for those aiming for entry to a Masters degree, but who have not yet studied economics in sufficient depth for direct entry, and is attractive to those with scientific and engineering backgrounds, as well as humanities, business, and social sciences graduates.

Successful graduates, who typically go on to take a Masters in Economics degree, build a variety of careers in private and public sectors, ranging from analyst work in financial services and health sectors, to public sector and consulting roles in economic analysis. Such companies as: Sustainable Energy Ireland; and in government departments and agencies, financial services companies—including consulting.