Abstract:

This article seeks to improve our understanding of what policy over- and under-design mean; what are the consequences of these suboptimal designs; and how politics matters to these designs. Based on the review of the literature and a variety of examples that focus on the role of information quality in policy design, and drawing on two phenomena from the field of epidemiology (namely, over-adjustment and unnecessary adjustment), the article enhances the definitional clarity of the terms under investigation and allows us to address the difficulty in reconciling technical problem solving with politics. The article proposes new definitional statements of proportionate and disproportionate policy designs that vary according to the extent to which the main design properties are adjusted to low-quality information. It also explores distinct variations in a few policy characteristics resulting from over- and under-design. The policy characteristics examined here include economic efficiency, p

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