Proceedings of 9th Asia-Pacific Business Research Conference 5 - 6 November 2015, Bayview Hotel, Singapore, ISBN: 978-1-922069-87-0 Diversiļ¬cation, Cash Holdings and Corporate Governance: Evidence from Japan Christina Atanasova and Jess Diamond This paper uses data for over 3,000 Japanese firms for the period 1999 - 2014 to examine the net costs and benefits of corporate diversification. Previous studies have documented a significant negative effect for Japan, i.e. a diversification discount, but we show that there is large variation with many diversified firms actually trading at a premium relative to a theoretical portfolio of single segment firms. We find that for firms with strong corporate governance, firm values are high since lower cross-divisional correlations in investment opportunities allow diversified firms to hold less cash even after controlling for cash flow volatility. Only when corporate governance is weak, firm values are low consistent with capital misallocation where funds are transferred from high-to lowproductivity divisions. ________________________________________________________________ Christina Atanasova, Simon Fraser University, Canada and Jess Diamond, Hitotsubashi University, Japan.