Throughout this earnings season, many companies will pina number of shortcomings or forecastson the presidential election.Dunkin' Donuts was among the companies to do so on Thursday.The retailer reported profits and US same-store sales that were higher than analysts had expected.However, revenue missed expectations.According to the company's management, uncertaintyover the US presidential election is weighing on consumers and franchisees.During the earnings call, Barclays analyst Jeff Bernsteinasked about a slowdown in the quick-service restaurant industry, and whether there were any reasons for this specific to the company.In response, CEO Nigel Travis cited several reasons including "changes in gas prices, changes in food stamp regulations, and of course, the overwhelming dampening effect of the presidential election.""I think we'll all be pleased when that's passed," he said.It's not intuitively clear why a presidential electioneven as contentious as this one iswould drive people to buy fewer cups of coffee in the preceding months. Last year, researchers at Princeton and Chicago found that election uncertainty impacts consumers' outlook, but not their immediate spending.On Friday, the University of Michigan's preliminary consumer confidence survey for October showed that the index of expectations fell to the lowest level since August 2014."It is likely that the uncertainty surrounding the presidential election had a negative impact, especially among lower income consumers, and without that added uncertainty, the confidence measures may not have weakened," said Richard Curtin, thesurvey's chief economist.Besides, consumer spending is still the biggest driver of economic growth and has held steady at a time when businesses haven't pulled their weight. The most recent estimate of personal consumption in the second quarter was 4.3%, revised down by 0.1% from the highest level since Q4 2014.But the election uncertainty is a little more obvious for franchisees.Dunkin' Donuts said Thursday that the number of new US locationsit opens this year will be at the low end of its previously provided range of 430-460.This was how Travis responded after an analyst asked why (emphasis added):"What is driving franchisees towards the lower end is several factors and I've described it, put it together as uncertainty, as uncertainty over the general election, senate, obviously, the house and local elections.And it was interesting earlier this yearand I have a feeling I've said this on an earlier earnings callI was with some franchises in one state that I won't name. And I've said to them, look, you're going to open one store this year, why don't you open two' And their response was, uncertainty, regulation, we don't know where the minimum wage is going. There was just so much uncertainty."For franchisees, that wait-and-see caution reflects the divide in both candidates' plans for the economy. For example, Hillary Clinton plans to raise the national minimum wage to $12 an hour, while Donald Trump would rather let states decide.They are two of the least popular presidential candidates ever. It's little wonder why everyone seems nervous.SEE ALSO:A major fallout from the housing crash is now at the lowest level since 2008Join the conversation about this storyNOW WATCH: FEMA is tracking Hurricane Matthew using the 'Waffle House Index
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