Strategic Management basically deals with discovery and description of the strategies that leaders/managers can take so as to realize improved competitive advantage and performance for their organization. Firm is said to have competitive advantage if its profitability is higher than the average profitability for all competing firms in the same line of business. The guiding philosophy in any strategic management procedure, either public or private sector, is all about understanding what changes are desirable, how to implement and manage these changes, and how to create a blueprint for sustaining improvements that lead to better performance. Strategic management provides overall direction to the enterprise and involves specifying the organization’s objectives, developing policies and plans designed to achieve these objectives, and then allocating resources to implement the plans. The objectives of this paper are to: Examine the degree to which government public policies impact positively on economic stability of Nigeria. Ascertain the extent to which strategic management of government public policies enhance economic development of Nigeria. Find out how strategic management of new government public policies enhances public confidence on the Nigerian leadership. This study engaged analytical and qualitative research methods as we did not test any model. Data was gathered from multiples sources, including internal documents, policy documents, and publications of research organizations, articles published in management and social sciences journals and the internet. The current Nigeria public policy have definitely started to reflect a shift from traditional management concepts about public management and organizational design, a coherent procedure for creating and sustaining enhanced performance that reflects changes in the internal and external environment is clearly deficient. Indication does suggest that change is affecting the Nigerian economy, and this change is manifesting in all sphere of structures and processes of many private and public organizations. The paper demonstrated that strategic management of government public policy is one of the basic tool for economic stability and development of Nigeria Economy. Findings also reveal that strategic management of new government public policies enhances public self-reliance on the Nigerian leadership particularly when there is growing understanding on the part of many that policies have to be formulated through the vigorous participation of the concerned communities. A learned anointed professional would do better than unlearned but do anointed, therefore expert that are knowledgeable about strategic management should be allowed to be at the forefront of strategic management of government public policies. This will certainly enhance economic development of any Nation.