CHATTANOOGA, TN—Volkswagen’s assembly plant here has exceeded the economic impact projected when the company announced its initial investment in 2008, according to a new study by economists at the University of Tennessee. Including direct employment, employee spending and suppliers, the VW plant produced approximately 12,400 new jobs.

WAYNE, MI—Ford Motor Co.’s revamped Michigan Assembly Plant here supports 24,000 statewide jobs and injects $1.8 billion annually into Michigan’s economy, according to analysis from the Center for Automotive Research.