European Union flags flutter outside the European Central Bank (ECB) headquarters in FrankfurtThomson ReutersA Trump win would pose risks to economic growth and inflation in Europe, ECB member Joachim Nagel says.Nagel points to Trump's plans for high tariffs, expansionary fiscal policies, and immigration restrictions.Europe's economy has dragged in recent months as Germany faces a potential recession.With five weeks until the US presidential election, economic policy experts in the US and abroad are holding their breath as they calculate the candidates' potential impact.Officials in Europe, for their part, are warily eyeing what a Donald Trump win would mean.