The article looks at how inflation behaved in the US from 1960 to the Great Recession. It found that traditional predictions didn't match what actually happened during the recession. By tweaking the way they measured inflation and how they looked at people's expectations, they found that inflation expectations have been mostly stable since the 1980s. However, there's still a risk of deflation in the near future. The Great Recession also showed that the usual economic models didn't quite hold up.