Fig. 2.1. Laws Enacted by the U.S. Congress, 1981–2018. (Source: Policy Agendas Project, calculated by the author.)

Fig. 2.2. Committee Hearing Trends, 1981–2016. (Source: Policy Agendas Project Congressional Hearings dataset, which did not include a complete list of hearings from the 115th Congress as of this writing; calculated by the author.)

Fig. 2.2. Committee Hearing Trends, 1981–2016. (Source: Policy Agendas Project Congressional Hearings dataset, which did not include a complete list of hearings from the 115th Congress as of this writing; calculated by the author.)

Fig. 2.3. Committee Reported Bill Trends, 1981–2018. (Source: THOMAS/Congress.gov, calculated by the author. Panel A (top) displays the data as counts, Panel B (bottom) as proportions. The points represent the averages in each congress, the gray shaded areas represent a standard deviation above and below the averages.)

Fig. 2.3. Committee Reported Bill Trends, 1981–2018. (Source: THOMAS/Congress.gov, calculated by the author. Panel A (top) displays the data as counts, Panel B (bottom) as proportions. The points represent the averages in each congress, the gray shaded areas represent a standard deviation above and below the averages.)

Fig. 2.4. Legislative Hearing Ratio Averages, 1981–2016. (Source: Policy Agendas Project, calculated by the author. House hearing ratios are displayed in the left panel and Senate hearing ratios in the right. House Rules Committee data throughout the book only include those bills in its original jurisdiction.)

Fig. 2.5. Committee Markup Averages, 1981–2018. (Source: THOMAS/Congress.gov, calculated by the author. House markup ratios are displayed in the left panel and Senate markup ratios in the right.)

Fig. 2.6. House Committee Legislative Hearing Trends, 1981–2016. (Source: Policy Agendas Project, calculated by the author.)

Fig. 2.7. Senate Committee Legislative Hearing Trends, 1981–2016. (Source: Policy Agendas Project, calculated by the author.)

Fig. 2.8. House Committee Reported Bills Trends, 1981–2018. (Source: THOMAS/Congress.gov, calculated by the author.)

Fig. 2.9. Senate Committee Reported Bills Trends, 1981–2018. (Source: THOMAS/Congress.gov, calculated by the author.)

Fig. 2.10. Average Workload in Legislative Hearings, 1981–2012. (Source: Policy Agendas Project Congressional Hearings dataset, compiled by the author. The 112th Congress was the last complete set of hearings when these data were collected.)

Fig. 3.1. Multiply-Referred Bills in the House of Representatives, 1981–2016. (Source: Congressional Bills Project, calculated by the author; the 114th Congress was the last set of data available as of this writing. House Rules Committee data exclude those bills it receives for the purposes of devising a debate rule.)

Fig. 3.2. Multiply-Referred Bills across House Committees, 1981–2016. (Source: Congressional Bills Project, calculated by the author; the 114th Congress was the last set of data available as of this writing. House Rules Committee data exclude those bills it receives for the purposes of devising a debate rule.)

Fig. 3.3. Multiply-Referred Bills for Each House Committee across Time, 1981–2016. (Source: Congressional Bills Project and Congress.gov, calculated by the author. House Rules Committee data exclude those bills it receives for the purposes of devising a debate rule.)

Fig. 3.4. Open Debate Rules in the House of Representatives, 1981–2016. (Source: Sinclair 2007 [97th–108th Congresses] and Congress.gov [109th–114th Congresses]; the former calculated by Donald Wolfensberger, the latter calculated by the author. The Wolfensberger calculations only refer to “restrictive” rules that include closed, modified closed, and modified open rules in the same statistic.)

Fig. 3.5. Senate Cloture Motions and Majority Party Leader Involvement, 1981–2018. (Source: Senate.gov, calculated by the author.)

Fig. 3.6. Resolving Intercameral Differences through Conference Committee, 1981–2018. (Source: Congress.gov, calculated by the author.)

Fig. 3.7. Total Subcommittees and Oversight Subcommittees in Congress, 1981–2018. (Source: Congressional Directory, history.house.gov, www.senate.gov/committees/committee_assignments.htm; compiled by the author.)

Fig. 3.8. Predicted Values for House Legislative Activity, Multiple vs. Primary Referral Era. (Note: Y-axes are on the logarithmic scale due to transforming beta regression results.)