AdvertisementGovernment Shutdown Cut Into Economic Growth, CBO SaysJanuary 28, 2019Jim ZarrolifacebookEmailA sign at the entrance of the Smithsonian National Museum of Natural History in Washington, D.C., says the museum will reopen Tuesday. The shutdown reduced federal spending by $18 billion, although most of that will be recouped now that the government has reopened, according to a new report. (AFP/Getty Images)