Poll-Based Election Forecasts Will Always Struggle With Uncertainty

Key Points• We have no idea how much uncertainty exists in pre-election polls. That leads to very complex poll-based forecast models.• The general public lacks the expertise necessary to appropriately interpret win probabilities from those complex models.• Some research shows that overly certain forecasts might depress turnout, which could matter […] Read more »

The fight for the Senate is not over yet

There are good reasons for Democrats to be upbeat about their chances of netting at least three Senate seats in the fall, which, combined with a Joe Biden presidential victory, would flip the chamber. But while Democrats are on the offense in more states than a year ago, they haven’t […] Read more »

The Senate: Ranking the Top Dozen Best Targets

Key Points• National Republicans breathed a sigh of relief on Tuesday night, as Rep. Roger Marshall (R, KS-1) beat 2018 gubernatorial nominee Kris Kobach (R) in the Kansas Senate primary. Practically speaking, the Kansas Senate race went from being a potentially major Democratic offensive target to one where the Republicans […] Read more »

It’s the Pandemic, Stupid! A Simplified Model for Forecasting the 2020 Presidential Election

Key Points• Two factors that historically have been helpful in forecasting presidential elections — the power of incumbency and the state of the economy — may be less useful in this year’s election, both because of long-term changes in American politics and the current public health crisis.• A forecasting model […] Read more »