How people were able to vote in 2020 helped flip key states for Joe Biden

The COVID-19 pandemic meant that in the 2020 presidential election, many Americans were able to vote differently by using drop boxes or mail-in ballots. Helmut Norpoth examines whether these different voting methods might have influenced the election’s outcome. He finds that while these methods may have benefitted Joe Biden in Wisconsin and Pennsylvania, they were not decisive, only making his electoral victory more comfortable.