Management, directly or indirectly, learns from its firm's stock price, so that a more informative stock price should make the firm more productive. We show that stock price informativeness increases firm productivity. We predict and confirm that the productivity of smaller and younger firms,...

Despite the disappearance of formal barriers to international investment across countries, we find that the average home bias of US investors towards the 46 countries with the largest equity markets did not fall from 1994 to 2004 when countries are equally weighted but fell when countries are...