The experiences of employees from developed countries affirm that those from science/ technology-related disciplines benefit more through more technological inventions, than those from the Arts/ Humanities-related disciplines. The study utilizes statistical data of higher education graduates to determine a causal link between graduates from the two fore mentioned academic disciplines, and labour productivity in the developing country of Uganda. The data from 1985 to 2017 were analysed using the Vector Error Correction model, and revealed that arts graduates were as productive as the science graduates. The findings also show the existence of long-term relationship between academic discipline and labour productivity, as well as a bi-causality between the variables under study.