What Is Capital Structure?

The capital structure is the particular combination of debt and equity used by a company to finance its overall operations and growth.

Equity capital arises from ownership shares in a company and claims to its future cash flows and profits. Debt comes in the form of bond issues or loans, while equity may come in the form of common stock, preferred stock, or retained earnings. Short-term debt is also considered to be part of the capital structure.

Key Takeaways

  • Capital structure is how a company funds its overall operations and growth.
  • Debt consists of borrowed money that is due back to the lender, commonly with interest expense.
  • Equity consists of ownership rights in the company, without the need to pay back any investment.
  • The Debt-to-Equity (D/E) ratio is useful in determining the riskiness of a companys borrowing practices.

Capital Structure

Understanding Capital Structure

Both debt and equity can be found on the balance sheet. Company assets, also listed on the balance sheet, are purchased with this debt and equity. Capital structure can be a mixture of a companys long-term debt, short-term debt, common stock, and preferred stock. A companys proportion of short-term debt versus long-term debt is considered when analyzing its capital structure.

When analysts refer to capital structure, they are most likely referring to a firms debt-to-equity (D/E) ratio, which provides insight into how risky a companys borrowing practices are. Usually, a company that is heavily financed by debt has a more aggressive capital structure and therefore poses a greater risk to investors. This risk, however, may be the primary source of the firms growth.

Debt is one of the two main ways a company can raise money in the capital markets. Companies benefit from debt because of its tax advantages; interest payments made as a result of borrowing funds may be tax-deductible. Debt also allows a company or business to retain ownership, unlike equity. Additionally, in times of low interest rates, debt is abundant and easy to access.

Equity allows outside investors to take partial ownership in the company. Equity is more expensive than debt, especially when interest rates are low. However, unlike debt, equity does not need to be paid back. This is a benefit to the company in the case of declining earnings. On the other hand, equity represents a claim by the owner on the future earnings of the company.

Measures of Capital Structure

Companies that use more debt than equity to finance their assets and fund operating activities have a high leverage ratio and an aggressive capital structure. A company that pays for assets with more equity than debt has a low leverage ratio and a conservative capital structure. That said, a high leverage ratio and an aggressive capital structure can also lead to higher growth rates, whereas a conservative capital structure can lead to lower growth rates.

Important

It is the goal of company management to find the ideal mix of debt and equity, also referred to as the optimal capital structure, to finance operations.

Analysts use the debt-to-equity (D/E) ratio to compare capital structure. It is calculated by dividing total liabilities by total equity. Savvy companies have learned to incorporate both debt and equity into their corporate strategies. At times, however, companies may rely too heavily on external funding, and debt in particular. Investors can monitor a firms capital structure by tracking the D/E ratio and comparing it against the companys industry peers.

Frequently Asked Questions

Why do different companies have different capital structure?

Capital structure refers to the proportion of equity vs. debt financing that a firm utilizes to carry out its operations and grow. Managers need to weigh the costs and benefits of raising each type of capital along with their ability to raise either. Equity capital involves diluting some of the company ownership and voting rights, but comes with fewer obligations to investors in terms of repayment. Debt tends to be cheaper capital (plus it has tax advantages), but comes with serious responsibilities in terms of repaying interest and principle, which can lead to default or bankruptcy if not carried through. Firms in different industries will use capital structures better-suited to their type of business. Capital-intensive industries like auto manufacturing may utilize more debt, while labor-intensive or service-oriented firms like software companies may prioritize equity.

How do managers decide on capital structure?

Assuming that a company has access to capital (e.g. investors and lenders), they will want to minimize their cost of capital. This can be done using a weighted average cost of capital (WACC) calculation. To calculate WACC the manager or analyst will multiply the cost of each capital component by its proportional weight. A company will need to weigh its absolute cost of capital vs. its risk of defaulting, so that an optimal capital structure will include both debt and equity.

How do analysts and investors use capital structure?

According to economists Franco Modigliani and Merton Miller, in the absence of taxes, bankruptcy costs, agency costs, and asymmetric information, in an efficient market, the value of a firm is entirely unaffected by its capital structure. However, if a company has too much debt, investors will often see this as a credit risk. Too much equity, and they may think the company has diluted its ownership too much. Unfortunately, there is no magic ratio of debt to equity to use as guidance to achieve real-world optimal capital structure. What defines a healthy blend of debt and equity varies according to the industries involved, line of business, and a firms stage of development, and can also vary over time due to external changes in interest rates and regulatory environment. However, because investors are better off putting their money into companies with strong balance sheets, it makes sense that the optimal balance generally should reflect lower levels of debt and higher levels of equity.

What measures do analysts and investors use to evaluate capital structure?

In addition to WACC, there are several metrics that can be used to estimate the goodness of a companys capital structure. Leverage ratios are one group of metrics that are used that put debt in relation to equity. The debt-to-equity (D/E) ratio is one common example, along with degree of financial leverage (DoL).

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