The NBER's definition and Siri's definition are not even in conflict. As PolitiFact states: > [T]he definition read by Siri [...] includes an important word th

The NBER's definition and Siri's definition are not even in conflict. As PolitiFact states: > [T]he definition read by Siri [...] includes an important word that the narrator glosses over, namely "generally." In other words, the one-sentence definition Siri provided is not a closed answer. It’s a general guidance that includes exceptions. PolitiFact does discuss why the NBER definition is more nuanced than the 2-quarter heuristic, but this is mere exposition behind their main point.