TY - JOUR AU - Auerbach,Alan J. AU - King,Mervyn A. TI - Taxation, Portfolio Choice, and Debt-Equity Ratios: A General Equilibrium Model JF - National Bureau of Economic Research Working Paper Series VL - No. 546 PY - 1984 Y2 - 1984 UR - http://www.nber.org/papers/w0546 L1 - http://www.nber.org/papers/w0546.pdf N1 - Author contact info: Alan J. Auerbach Department of Economics 530 Evans Hall, #3880 University of California, Berkeley Berkeley, CA 94720-3880 Tel: 510/643-0711 Fax: 510/643-0413 E-Mail: auerbach@econ.berkeley.edu Mervyn A. King Governor Bank of England Threadneedle Street London EC2R 8AH UNITED KINGDOM Tel: 44-20-7601-4963 Fax: 44-20-7601-4953 E-Mail: mervyn.king@bankofengland.co.uk AB - This paper explores the portfolio behavior of investors differing with respect to both tax rates and risk-aversion, emphasizing the role of constraints on individual and firm behavior in ensuring the existence of and characterizing portfolio equilibrium. Under certain conditions on the securities available in the market, which also are required for shareholders to be unanimous in supporting firm value maximization, investors will be segmented by tax rate into two groups, one specialized in equity and the other in debt. Though the relative wealths of the two groups determines the aggregate debt-equity ratio, each firm will be indifferent to its financial policy. ER -