7.9 million workdays total costs to the US economy National Institute of Justice $8.3bn CAEPV $8.3 billion a year the Corporate Alliance to End Partner Violence cost of emergency care The Corporate Alliance to End Partner Violence http://www.caepv.org/getinfo/facts_stats.php?factsec=2 online total costs to the US economy 8.3 billion online according to one study $8.3 billion according to one study 2004 report