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The Economic Impact Of City-County Consolidations: A Synthetic Control Approach, Joshua Hall, Josh Matti, Yang Zhou

Economics Faculty Working Papers Series

Although more rapid development is a primary motivation behind city-county consolidations, few empirical studies explore the impact of consolidation on economic development. No studies look at government consolidation in the United States using modern causal inference methods. We use the synthetic control method (SCM) to examine the long-term impact of city-county consolidations on per capita income, population, and employment. The results from the three cases explored indicate that consolidation does not guarantee development and actually can have negative effects. Additionally, consolidation can deepen the urban-rural divide by accelerating the decline of rural populations relative to those of urban areas. The …