Matthew B. Platt
Department of Government, Harvard University

Working Papers
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This group of papers address changes in both the strategies for and contents of black agenda setting over time. Taken together, these papers formed my dissertation titled "The Normalization of Black Politics".


Innovation, Inevitability, and Credibility: Tracking the Origins of Black Civil Rights Issues
(Last Updated: June 10, 2008)

A Change Narrative of Black Agenda Setting
(Last Updated: April 21, 2008)

Much of the literature on black agenda setting and policymaking emphasizes the continuity of black Americans' struggle to achieve full freedom and equality. However, this theme of continuity often obscures the important changes that have taken place in terms of the content of the black issue agenda. In this paper, I introduce a new data set on how Congress recognizes and pays attention to black issues from 1947 to 1998. Using a variety of statistical tools, the exploration of this data reveals that black agenda setting is fundamentally a story about change. Over the last fifty years of the twentieth century Congress has allocated a greater share of its agenda to black issues and those issues cover a broader range of policy areas. Black Americans have progressed from a state of impoverished political exclusion to middle-class political incorporation, and the black agenda reflects that change accordingly.



Marching Backwards to Freedom: Black Strategies to Expand the Scope of Conflict
(Last Updated: January 24, 2008)

Theories of agenda setting claim that political entrepreneurs must broaden their bases of support in order to place new issues onto the formal agenda. However, there are no quantitative, political science studies of agenda setting that relate non-voting political activity to the responsiveness of government agendas. This paper fills that void by examining the role of black protest and descriptive representation in securing white recognition of black policy issues. Making use of a new data set that provides measures of media attention and congressional bill sponsorship from 1948 to 1997, I show that both protest and descriptive representation were instrumental in gaining white recognition of black policy demands, culminating in the passage of the 1965 Voting Rights Act. However, the potency of protest and descriptive representation have lessened in response to the black social and political advancement of the post-civil rights era. It seems that black strategies of conflict expansion have become victims of their own success.



Surprisingly Normal: Recognition of Black Issues by Non-Black Members of Congress
(Last Updated: August 10, 2009)

Debates in the race and representation literature have been focused on whether race matters for the substantive representation of black interests. However, this debate has overlooked the basic reality that the vast majority of black issue legislation is sponsored by non-black members of Congress. I introduce a problem-solving framework to analyze sponsorship of black issue legislation from 1948 to 1997. The results show that black issue recognition has changed over time, but ideology, institutional position, and district composition are the core determinants of member decisions to recognize black issues. Rather than relying upon the outsider pressure of protest or the insider influence of descriptive black representation, black Americans can expand the scope of conflict by simply electing white liberal representatives. Contrary to expectations of the exceptional quality of black agenda setting, in post-war America black politics is surprisingly normal.




This group of papers are part of a larger interest in understanding bill sponsorship as an important component of agenda setting.


Notes on Black Representation and Bill Sponsorship
(Last Updated: August 24, 2008)

Legislative Problem-Solving: Exploring Bill Sponsorship in Post-war America
(Last Updated: September 15, 2008)

Given the small number of bills that are actually enacted into public policy, it is puzzling that members continue to sponsor bills at such high rates. The conventional approach to this puzzle has been to either focus on the determinants of legislative effectiveness or to conceive of bill sponsorship as symbolic position-taking. As a result, we know relatively little about how sponsorship patterns vary across members and over time, and more importantly the introduction of legislation has been divorced from the policy process. We address both of these problems by offering a ``problem-solving" framework of bill sponsorship that is compatible with standard conceptions of goal-oriented behavior and conceives of sponsorship as placing issues onto the public agenda. Using multilevel models we analyze the volume and content of members' legislative portfolios from 1947 to 1998. We find that members adjust their sponsorship according to changing circumstances, whether those changes are in terms of their own institutional positions or broader developments in the social, political, and economic environments. Bill sponsorship is neither irrational nor devoid of policy relevance. It is a tool that members use to recognize problems and cultivate reputations as problem-solvers.


These papers collectively attempt to lay the groundwork for a theory of policy-motivated participation by answering questions about the how and when of non-voting political activity.


Participation for What? A Policy-Motivated Approach to Political Activism
(Last Updated: October 11, 2007)

Normatively and intuitively, we conceive of political participation as an integral component of democratic policymaking. However, research on participation generally does not include policy considerations as part of individuals' decisions to engage in activism. I offer an Opportunity Model of participation that begins to study how policy goals shape individual participation and how aggregate participation shapes policymaking. The central argument is that individuals policy goals allow them to recognize those moments when it is most efficient and/or effective to take action. Examining black participation from 1980 to 1994, I show that black Americans are more likely to participate when they face external threats, are embedded in social networks, and have greater access to policymakers. Most importantly, the recognition of these opportunities varies according to individuals' resources. This research moves beyond the discussion of who participates to address the equally fundamental question: participation for what?

Preaching in the Wilderness: Exploring the Macro Dynamics of Political Participation written with Fredrick C. Harris
(Last Updated: January 8, 2007)

Research on the relationship between contextual factors and individual-level participation has offered a new frontier in the study of political activity. These studies push beyond the core characteristics highlighted in the Civic Voluntarism Model to understand how individuals respond to political, economic, and social environments. In this paper, we build on the contributions of both of these literatures to explore how national, political, and economic contexts shape aggregate rates of participation from 1973-1994. The central argument is that changes in the political and economic context produce alterations in individuals' political orientations, and these changed orientations drive fluctuations in aggregate behavior. Using standard time series techniques we find that economic difficulties, competition over policymaking authority, and national elections act as stimulants for aggregate participation. Our message is simple: aggregate participation is a dynamic response to a constantly changing world.

Opportunities for Inequality: Context and Disparities in Political Participation
(Last Updated: March 15, 2009)

Disparities in political participation along lines of race and class have been thoroughly studied in the literature. However, the previous research has tended toward cross-sectional studies, making it difficult to assess how these participation gaps change according to broader contextual factors. This paper offers an opportunity model of participation to explore and explain fluctuations in race and status gaps in participation. The analysis provides some evidence that individuals' differing perceptions of social, political, and economic realities mediate the effects of context on participation. I argue that these differences are the roots of participation gaps. Political activity is explained by neither individual characteristics nor context; a true understanding requires both.






Matthew B. Platt
Department of Government
Harvard University
1737 Cambridge St.
Cambridge, MA 02138
mplatt@gov.harvard.edu