“…The database catalogues drug development events since the 1950s, drawing from multiple sources including the FDA approval database, company filings with the Securities Exchange Commission (SEC), conference calls, press releases, news articles, medical conferences, direct communication 10 Prior studies have shown how firms learn from their industry rivals' successes and failures (Madsen and Desai, 2010;Baum and Dahlin, 2007;Kim and Miner, 2007;Ingram andBaum 1997, Haunschild andSullivan, 2002;Magazzini et al, 2012;Garzon-Vico, 2012). More recently, Bustamante and Fresard (2017) show that firms in imperfect information environments use their peers' investments to update their own estimations about their fundamentals.…”