Financial analysts are warning that the ongoing federal shutdown could have dire consequences for the national economy. As federal workers go without pay and government contractors are losing revenue, any first-quarter economic growth could be lost. The shutdown could also deal a blow to consumer confidence and business investment, Wall Street analysts worry. Trade battles and slowed international growth had already raised questions about the direction the U.S. economy would head in 2019. And the shutdown is only increasing the sense of pessimism. “It can get exponentially worse in very unpredictable ways, from government workers quitting, to strikes, to companies not going public.