US expert who predicted outcome says models showed voters were unhappy with economy but did not seek sweeping transformation

Despite Donald Trump’s decisive victory in the presidential election, a political scientist who developed a model that correctly predicted his sweep of battleground states warns that voters have not necessarily given the president-elect a mandate to make radical changes.

In a paper released with little fanfare three weeks before the vote, Cornell University professor of government Peter Enns and his co-authors accurately forecast that Trump would win all seven swing states, based on a model they built that uses state-level presidential approval ratings and indicators of economic health.