The Determinants of Capital Structure: Empirical Analysis of Oil and Gas Firms during 2000-2015

Aws Yousef Shambor


This study investigates the capital structure determinants of 346 oil and gas firms that are the constituents of the Global Oil and Gas Index (OILGSWD) over the period of 2000 – 2015, taking into account the effect of the Global Financial Crisis of2007-2009 on the determinants of the capital structure. Thus, six firm level explanatory variables (namely: liquidity, profitability, growth, non-debt tax shield, tangibility and size) are selected and regressed against the appropriate capital structure measure, leverage, the ratio of total debt to book value of total assets. The data is collected from secondary sources depending on the data from the DataStream database. The major findings of the study indicate that tangibility, profitability, size, liquidity and non-debt tax shield are the significant determinants of capital structure of oil and gas firms, while growth is considered insignificant. The capital structure is analyzed in terms of the three main theories of capital structure: Trade-off theory, Pecking order theory, and Agency cost theory. Finally, the global financial crisis has to some extent a significant impact on the capital structure determinants of oil and gas firms and has no significant impact on liquidity, as indicated by the OLS regression analysis results.

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Asian Journal of Finance & Accounting ISSN 1946-052X


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