Economic Models to Predict Presidential Election Results
Hal R. Varian N. Y. Times News Service, THE JOURNAL RECORD
Economics, the most imperialistic of the social sciences, is always testing the borders of related fields. Several years ago some economists invaded the territory of political science and applied their expertise to election forecasting.
Economics now offers two distinct approaches to predicting election outcomes. One has its roots in macroeconomics, examining how national economic performance affects voting. The other is grounded in microeconomics, using a real financial market in which participants can place their bets on the election results.
Which approach is best? You can decide by using the Web sites identified below.
The first approach is most closely identified with the work of Professor Ray Fair, a macroeconometrician at Yale who has examined all two-party presidential elections since 1916.
His most recent forecasting model, which involves variables like the growth of economic output, the inflation rate and whether a candidate is an incumbent, has generated extremely accurate predictions: during the period 1916-1992, his equation had only two elections wrong.
Right now, Fair's model forecasts a narrow victory for Vice President Al Gore, with 50.8 percent of the popular vote. But he considers the election a tossup, and the prospects could change, depending on what happens to the economy in the next few months. Readers who want to see the implications of various economic scenarios can visit the Web site at http://fairmodel.econ.yale.edu and click on "Predict the 2000 presidential elections" to make their own forecasts.
A quite different approach to election forecasting has been taken by some researchers at the Tippie College of Business at the University of Iowa. On their Web site at http://www.biz.uiowa.edu/ iem/index.html, you can buy and sell political candidates B not with campaign contributions, but by participating in an online futures market in presidential elections.
Here is how it works. The Iowa Electronic Market has issued securities for the Democratic, Reform and Republican parties that are tied to the popular vote. If the Republican candidate, for example, receives 52 percent of the popular vote, participants will get a payoff of 52 cents for each Republican share they own on election day.
A security that will be worth 52 cents a little more than four months from now should be worth slightly less than 52 cents today because of the time value of money, so the current price at which people are willing to buy and sell a Republican share should give a pretty good forecast of the popular vote in November.
As this column was being written, the forecasts were 48 percent for the Democrats, 3.5 percent for the Reform Party and 48 percent for the Republican Party -- a dead heat. If this stalemate continues, it suggests that Reform Party voters and Green Party voters may have a much bigger say in the November election than most experts now forecast.
The Iowa Electronic Markets involve real money, although the maximum opening balance for a trading account is limited to $500. And, yes, it is legal: the Commodity Futures Trading Commission has ruled that as long as the IEM conforms to certain guidelines, the commission will not intervene. …
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Publication information: Article title: Economic Models to Predict Presidential Election Results. Contributors: Hal R. Varian N. Y. Times News Service - Author. Newspaper title: THE JOURNAL RECORD. Publication date: July 7, 2000. Page number: Not available. © 2009 THE JOURNAL RECORD. Provided by ProQuest LLC. All Rights Reserved.
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