Now researcher
presents a brief discussion on the factors that may have an effect on the
firm's debt-equity choice. Various researchers have taken different variables
to test capital structure. According to Titman and Wessels (1988), these
factors are tangibility of assets, size, growth opportunities, profitability,
non-debt tax shields, earnings volatility, uniqueness, and industry
classification. But Harris and Raviv (1991), includes advertising expenditure
and Research & development (R&D) expenditure in these factors list.