Public administration can offer the opportunity for specialization in such fields as global public policy, fiscal economics and management, and international finances. Another aspect of public administration may involve research. Policy research, program planning, and market analysis are areas that can require this expertise.

Graduate diplomas are typically not offered in the United States. The American equivalent of a diploma is referred to as a professional certification. Each university has a different set of requirements for admission, so students should perform in-depth research on programs before applying.