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UI Studies Power of Incumbency

Getting elected to a first term greatly increases the chances of winning again. Since 1914, challengers have unseated U.S. House incumbents only about 4 percent of the time compared to 25 percent of challengers in U.S. Senate races winning in the same time period, according to a recent study by researchers with the UNIVERSITY OF IOWA (Matt Mitchell), University of Arizona and the Federal Reserve Bank of New York. The Times-Reporter is published in Delaware.

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