Majority leaders of the contemporary Congress preside over parties that are more cohesive than at any point in the modern era, and power has been centralized in party leadership offices. Do today’s majority parties succeed in enacting their legislative agendas to a greater extent than the less-cohesive parties of earlier eras? To address this question, we examine votes on all laws enacted from 1973–2016, as well as on the subset of landmark laws identified by Mayhew. In addition, we analyze the efforts of congressional majority parties to pass their agendas from 1985 to 2016. We find that enacting coalitions in recent congresses are nearly as bipartisan as they were in the 1970s. Most laws, including landmark enactments, continue to garner substantial bipartisan support. Furthermore, majority parties have not gotten better at passing their legislative programs. Contemporary congressional majorities actually fail on their agenda items at somewhat higher rates than the less-cohesive majority parties of the 1980s and 1990s. When majority parties succeed on their agenda priorities, they usually do so with support from a majority of the minority party in at least one chamber and with the endorsement of one or more of the minority party’s top leaders.
Political scientists have demonstrated the importance of lawmakers’ identities, showing that race, gender, socioeconomic status, and sexual orientation affect legislative and representational behavior. Is the same true for age? We argue it is, but the effect is conditioned by the salience of different “senior issues.” Analyzing the bill introductions by members of Congress during the 109th and 110th Congresses, we show that older lawmakers are more likely to introduce legislation addressing lower salience senior issues than their younger colleagues. In contrast, sizeable senior constituencies in a district influence lawmaker attention to higher salience senior issues, regardless of a lawmaker’s age. These findings have implications for our understanding of senior power and personal roots of representation in the United States.
Scholars, practitioners, and observers typically portray committee influence as rooted in traditional congressional processes and practices, which are thought to provide committees with powerful opportunities to block and shape legislative proposals. The erosion of regular order processes suggests these traditional processes cannot underlie committee power in the contemporary Congress. Drawing on a mixed‐methods approach of interviews with congressional staff and an original data set of every amendment offered on the floor of the House of Representatives from 2005 to 2008, I find that absent these traditional process norms, committees in the contemporary Congress can rely on their specialized knowledge and expertise to influence the behavior of their colleagues and shape the legislation that passes.
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