Academically, public procurement has been a neglected area of study even though governmental entities and public procurement practitioners have diligently worked to improve public procurement practices. This article will identify common elements of public procurement knowledge through a brief analysis of the literature and will provide a summary of government efforts to improve public procurement practices. In addition, this article will comprehensively re-examine public procurement by using a systems approach as a method of inquiry. Finally, implications of the proposed public procurement system regarding future research and study will be discussed.

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The use of public procurement as a vehicle for implementing various socioeconomic preference policies has a long history. This article reviews the current state of affairs of procurement preference programs with regard to U.S. state and local governments and analyzes their impact on both the recipients and on public procurement process. Opportunities for further research are noted, and the authors conclude that the ability to navigate the difficult waters of socioeconomic preferences should be a core competency of state and local public procurement officials.

Government procurement has been a neglected area of study in higher education and research. This symposium is one of the first efforts in examining government procurement. This article will provide a brief overview of government procurement developments and summarize major themes of manuscripts included in the symposium.

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Environmental justice is a major issue today and of interest to citizens, administrators, and scholars of public administration. In this introduction, we review the emergence of the environmental justice movement and discuss the development of the field by presenting an overview of the literature and existent research on environmental justice. This research has focused to a large extent on siting issues and on the causes and explanations of environmental equity. In particular, five causes or explanations of environmental injustice have been emphasized in the literature: (a) race; (b) economic and market factors; (c) political and administrative issues; (d) attitudinal issues; and (e) post-materialism. We review the major pieces of research and evidence in these areas and compare and contrast the explanations of environmental injustice. For the most part we find that there is considerable controversy over the different 143