This paper examines if board composition has any systematic bearing on derivatives usage by New Zealand listed companies. We also test if derivative usage changed following the introduction of the new 1993 Companies Act. The Act raised expectations of directors' fiduciary responsibilities and the perceived risk of liability on outside directors for poor investment decisions. Using a dataset of listed New Zealand companies in 1994 and 1997, we find companies with higher growth opportunities and a greater proportion of outside directors were less likely to use financial derivatives following the introduction of the new Act. Our results supplement the US-based literature on derivatives usage by illustrating that internal governance mechanisms can play a role in corporate derivatives policy, and that the legislative and regulatory environment may affect this role. Copyright Blackwell Publishers Ltd, 2005.

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This study investigates the impact of amendments to the New Zealand Exchange's listing rules and the Securities Markets Act 1988 enacted in December 2002. These reforms provided statutory backing for a continuous disclosure listing rule requiring companies to immediately release all price-sensitive information to investors. We follow the methodology employed by Helfin et al. (2003) to test the impact of Regulation FD in the US. Our results show that under New Zealand's continuous disclosure regime analysts' earnings forecast errors did not decline but that analysts' forecasts showed less dispersion in the post-reform period. In respect of informational efficiency, we find a smaller abnormal return around the annual earnings announcement date in the post-reform period for small companies. Our results suggest that the reforms have improved the flow of information to investors, consistent with the intent of the reform.

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