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The Mathematics of the Electoral College. E. Arthur Robinson, Jr. (with Daniel Ullman). Dec 1, 2010. Why do we have an Electoral College?. Because we had it last election, and it wasn’t changed. Why did we have the Electoral College last election?. Because it’s in the Constitution.
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The Mathematics of the Electoral College E. Arthur Robinson, Jr. (with Daniel Ullman) Dec 1, 2010
Why do we have an Electoral College? • Because we had it last election, and it wasn’t changed.
Why did we have the Electoral College last election? • Because it’s in the Constitution.
Why did our founding parents devise an Electoral College system? Because, in the 18th century: • communication and transportation were primitive; • the US was vast and sparsely populated; • campaigning was regarded as inappropriate; • a public mandate was regarded as dangerous.
Are senators elected directly? • Yes, they are now. • Not in the original Constitution. • Were appointed by state legislatures. • Changed by 17th Amendment (1913). • Justice Scalia: This “mistake” started a “decline in so-called states rights” (Nov. 13, 2010, Texas Tech. Law School).
Is there a problem with the Electoral College? Yes. Failure of anonymity. • Not every voter has the same degree of influence over the final decision, violating the principle of “one person, one vote”. Other concerns: • Focus on swing states; • Discourages turnout.
Why hasn’t the Electoral College been abolished? • ¾ of the states must ratify a Constitutional amendment. • Most states are small. • Electoral college perceived to favor small states. • They are unlikely to ratify an amendment that removes their “advantage”.
When has Electoral College differed from “Popular Vote”? • 1876: Rutherford B Hayes wins EC 185 to 184. Samuel J. Tilden won 51.5% of popular vote. • 1888: Benjamin Harrison wins EC 201 to 200. Grover Cleveland wins plurality in popular vote. • 2000: George W Bush wins EC 271 to 267. Al Gore wins majority of popular vote (Supreme Court gives Florida’s 25 votes to Bush).
National Popular Vote Interstate Compact (began 2007). • States agree to allocate their electoral votes according to national popular election winner. • Article II gives states right to appoint electors as they see fit. • Six states have joined. MD, NJ, IL, HW, WA, MA. • Takes effect when states with 270 votes join.
What’s wrong with “caucusing”? Example: The Supreme Court (9 justices) • How 5 Justices can dominate the Court. • How 3 Justices can dominate the Court. • How 2 Justices can dominate the Court.
What’s wrong with “weighted voting”? Example: The European Economic Community of 1958. • Votes: France 4, Germany 4, Italy 4, Belgium 2, The Netherlands 2, and Luxembourg 1. • 12 votes out of 17 were needed to pass resolutions in the Council.
How do we measure voter “power”? • How important is your vote? When does your vote really matter? • How likely is it that your vote actually matters in the end? (Not very.) • What is the probability that a voter in a state with population p casts a deciding vote?
Banzhaf power • Invented by John Banzhaf, now GW Law Professor in 1960’s. • Used to analyze Nassau County, NY Board of Supervisors. • Lawsuit on behalf of some citizens who believed they were under-represented. • Later applied analysis to Electoral College.
Banzhaf power • Assume not all voters have same “power”. • Collect voters who favor one candidate into a coalition. • Coalition is winning if it has the votes to elect its candidate. • Winning coalition member is critical if his/her vote is necessary to win.
Senate 2001 • Senate starts with 50 Democrats and 50 Republicans + 1 (VP Dick Cheney--Republican) • Jim Jeffords (R-Vt) becomes Indepandent • New count: 50 Democrats, 50 Republicans, 1 Independent • 51 votes needed to pass bill.
