Two often reliable indicators are giving mixed signals.Erik Norland, CME GroupThe late summer inversion of the U.S. Treasury yield curve raised concerns that the U.S. economy might be heading towards a slowdown, or worse, in 2020. But in mid-October the U.S. Treasury yield curve flipped back to positive, reflecting optimism in the economy while the private sector version is now pointing to a possible slowdown. Erik Norland, Senior Economist at CME Group, discusses which version of the yield curve does a better job at forecasting economic growth.