At PoliticalForecasting.com, better known as the Pollyvote, the authors combine forecasts from four sources: election polls, a panel of American political experts, the Iowa Electronic Market, and quantitative models. The day before the election, Polly predicted that the Republican ticket's share...

In the Summer and Fall 2008 issues of Foresight, Randall Jones and Alfred Cuzan described 13 regression models used to forecast presidential elections and reported the models' forecasts for the 2008 US presidential election. Here is their audit of the results. Copyright International Institute...

Alfred Cuzán offers his postmortem on forecasts made for the midterm elections for the U.S. House of Representatives. His evaluation compares the judgment of three experts, six statistical models, and one (betting) prediction market. It seems like the best political forecasts emerge when...

We summarize the literature on the effectiveness of combining forecasts by assessing the conditions under which combining is most valuable. Using data on the six US presidential elections from 1992 to 2012, we report the reductions in error obtained by averaging forecasts within and across four...

With the November 2008 U.S. presidential election looming, Randall and Alfred describe the enduring forecasting models that have been created by economists and political scientists for predicting the results of this quadrennial ritual. The most stable models since 1996 have consistently forecast...