Although a technique for hydraulic fracturing—more commonly known as fracking—was developed and implemented in the 1970s in Texas, fracking of the Marcellus Shale formation that stretches from West Virginia through Pennsylvania to New York did not begin in earnest until the twenty-first century. Unconventional natural gas production via fracking has ignited debate, challenged regulators, and added to the complexity of twenty-first-century natural resource management. Through a longitudinal...

Representation in Congress provides a theory of dyadic policy representation intended to account for when belief sharing, delegate, responsible party, trustee, and 'party elite led' models of representational linkage arise on specific policy issues. The book also presents empirical tests of most of the fundamental predictions for when such alternative models appear, and it presents tests of novel implications of the theory about other aspects of legislative behavior. Some of the latter tes...

This book develops a general explanation for party polarization in America from both historical and contemporary perspectives. Prior polarization studies focused exclusively on the modern era, but this work traces party polarization from the constitutional convention of 1787 to the present. Using such a broad historical perspective shows that what was unusual in American history was the period of low polarization from the Great Depression through 1980, rather than the period of high polari...