The DeSart & Holbrook model enters the econometric models component of the PollyVote. According to the model, Clinton will garner 40.2% of the two-party vote share in Montana, while Trump will win 59.8%.
Putting the results in context
As any other method, models are subject to bias. In general, don't have too much faith in the results of an individual econometric model. Rather, one should check how a model's results compare to benchmark forecasts.
The DeSart & Holbrook model compared with PollyVote's forecast
The current PollyVote predicts Trump to gain 57.0% of the two-party vote in Montana. The results of the DeSart & Holbrook model for Trump are thus 2.8 percentage points above the combined PollyVote in Montana.