Prof. Oteng-Abayie: Understanding wage and salary differences in the Public Sector; wage differentials through the lens of labour economics

In Ghanaian universities, possible examples could include specialists in nuclear physics, actuarial science, cybersecurity, petroleum engineering, artificial intelligence, medical subspecialties or specialised laboratory sciences. These are examples, not verified findings that each field is scarce in Ghana. A university should demonstrate scarcity through evidence such as repeated failed recruitment exercises, prolonged vacancies, resignations to private-sector employers, competing offers or credible salary data from comparable institutions.