The study examined the effects of financial risk, firms characteristics and macroeconomic factors on the capital structure and the rate at which firms adjust towards their target capital. Secondary annual panel data for the period of 1990 to 2006 using 70 non-financial listed companies for analysis were employed. Data were sourced from the Annual Report and Accounts of the sampled firms and the publications of Central Bank of Nigeria. Descriptive method and Generalized Method of Moment (GMM) were used to analyze data. The results indicate a positive coefficient between financial...