FED Chair Powell made the following statement after a FOMC meeting:

To the extent that inflation gets lower and lower and lower, interest rates get lower and lower, Mr. Powell said. This isn't some idle academic theory, this is whats happening all over the world if you look at many, many large jurisdictions around the world, you are seeing that phenomenon.

Relate Chair Powells comments concerning low inflation lowering interest rates to some material discussed in class.