Is she? No widespread price controls have been implemented in the U.S., yet inflation is slowing due to the effect of contractionary monetary policy. Price floors on grains have been implemented in some Easter European countries, but that's mainly a populist measure to protect against cheap Ukrainian imports.
1) She didn’t argue contracting monetary policy was ineffective.
2) You’re going to talk about the European grain market (not in the article) but skip the European natural gas market (which was in the article)?
That you can leverage price controls without descending the entire system into chaos and that this approach can be as effective as, and less destructive to the economy than, raising interest rates