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Many governments deploy enterprise architecture (EA) to mitigate challenges associated with the alignment between business and information systems/technology. However, many developing countries, particularly in Africa, are challenged with the implementation of EA because the value derived from the deployment of EA cannot be quantified. This is due to a lack of standard metrics to measure the value of EA. The study aimsto reveal the factors that influence the successful implementation of EA in government institutions. The study followed the qualitative method with the government of Ghana as the case study. Data collection was EA documentation, analyzed subjectively and guided by the Activity Theory. [ABSTRACT FROM AUTHOR]

The last two decades have witnessed a surge of sociotechnical theories used to examine information systems (IS) research, attributable, to increase rigor. It, therefore, necessitates innovative ways and usefulness in applying the theories in IS research. Inevitably, it leads to complementarity of some of the theories, whereby, activity theory (AT) and actor-network theory (ANT), and structuration theory (ST) and ANT have been combined in IS studies, in recent years. Despite the efforts, there is a need for complementarity of more theories, to cover extended scopes and increase rigor in the phenomenon being studied. This paper proposes a theoretical framework that combines AT and ST, for data analysis and interpretation of findings in IS research. The paper advances the application of sociotechnical theories to underpin IS research through a theoretical framework that combines AT and ST's dimension of change. [ABSTRACT FROM AUTHOR]