INSIGHTS Economy Is Expanding But Momentum May Be Slowing By Staff Monday, September 11, 2023 10:37 AM “The U.S. economy continues to expand, but recent data is signaling a slowdown in its momentum. The economy is slowing but not halting.”Comments from National Retail Federation chief economist Jack Kleinhenz, who also stated that “progress has been made on combating inflation, but higher prices remain.” Kleinhenz’s comments came in the September issue of NRF’s Monthly Economic Review.