دانلود مقاله ISI انگلیسی شماره 727
عنوان فارسی مقاله

مسائل مربوط به بدهی شرکت و مدیریت ریسک نرخ بهره : مصون سازی یا زمان بندی بازار؟

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
727 2009 21 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
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عنوان انگلیسی
Corporate debt issues and interest rate risk management: Hedging or market timing?
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Journal of Financial Markets, Volume 12, Issue 3, August 2009, Pages 500–520

کلمات کلیدی
مسائل بدهی - مدیریت ریسک - مصون سازی - زمان بندی بازار
پیش نمایش مقاله
پیش نمایش مقاله مسائل مربوط به بدهی شرکت و مدیریت ریسک نرخ بهره : مصون سازی یا زمان بندی بازار؟

چکیده انگلیسی

Apart from the obvious reasons for raising capital, a firm can hedge its interest rate exposure by issuing debt, the value of which moves in an opposite direction from the value of its assets as interest rate varies. We examine whether firms in the UK market make full use of debt issuances for hedging purposes or if they have other considerations. Our evidence shows that firms’ choices of debt issues are primarily driven by debt market conditions in an effort to lower their costs of capital rather than managing their firm-specific interest rate exposures. This suggests that market timing, as opposed to hedging, is the primary motivation behind corporate debt issuances.

مقدمه انگلیسی

Standard risk management theory emphasizes the role of derivatives in reducing corporate cash flow exposure. In practice, however, derivatives usage appears to be small compared to the magnitude of firms’ overall assets (Brown, 2001; Guay and Kothari, 2003), and firms with more volatile cash flows, such as small firms, make far less use of derivatives than otherwise more stable (large) firms (Stulz, 1996). This evidence contradicts the “variance-minimization” notion of modern risk management theory and indicates that the impact of derivatives usage on corporate risk management is limited. Why do corporations not fully hedge their risk exposure with derivatives? Do they use means other than derivatives to manage their risk? In theory, firms can manage risk exposure by means other than derivatives. For instance, corporate bonds can be employed as an instrument of interest rate risk management (Grinblatt and Titman, 2002; Stulz, 2003). Firms are able to “immunize firm value against changes in interest rates to some degree by matching the interest rate sensitivity of their assets and liabilities through active interest rate risk management (analogous to duration matching for financial intermediaries)…” (Bartram, 2002, p. 108). The value of a firm's assets, VA, is the sum of its equity, VE, plus debt, VD (i.e., VA=VE+VDVA=VE+VD). If, for instance, a firm measures the risk exposure of its equity as having a positive interest rate sensitivity (its share price goes up when interest rates rise, i.e., ∂VE/∂r>0∂VE/∂r>0), issuing a bond with a negative interest rate sensitivity, i.e., ∂VD/∂r<0∂VD/∂r<0, can reduce the interest rate exposure of its overall assets. Thus firms are able to hedge against interest rate exposure by correctly designing the interest rate sensitivity of new debt issues. In other words, once managers have measured the interest rate exposure of the firm or an investment project, they can reduce its exposure by issuing bonds, the value of which moves in an opposite direction from the value of the firm or the project as the interest rate varies. It is thus less necessary for these firms to enter into accompanying derivative contracts. For this reason, corporate managers need to address the problem of how to design a reasonable yield and maturity structure for the newly issued debt with a target interest rate sensitivity to match its initial risk. If corporate bonds per se are an effective instrument of interest rate risk management, the question arises as to whether firms in practice make full use of debt issues for the purpose of hedging or if they have other considerations in mind. In this paper, we examine this question. Focusing on firms’ newly issued debts, we examine the latent motivations of corporate debt issues from the perspective of interest rate risk management. We test whether firms, when issuing debt, consider hedging interest rate exposure as their main objective or if there are other goals behind the debt issue decisions. If firms are hedging, the choices regarding the interest rate exposure of their debt should be primarily driven by the interest rate sensitivity of the firms’ value or expected cash flows. In the case that a firm's value is sensitive to the interest rate, the firm can hedge its overall interest rate exposure by entering a debt position that has a desirable interest rate sensitivity, for example, choosing the floating rate for the new debt to offset the volatility of the firm's cash flows that are caused by interest rate variability. Recent studies reveal, however, that the majority of firms do not systematically hedge their risk exposure. The extent to which they choose to hedge depends on the market views of expected volatilities (Bodnar et al., 1998). Most firms adopt “profit-oriented and forecast-based” hedging strategies (Glaum, 2002, p. 121) and adjust them correspondingly with the market variability. In other words, they are timing the market. They attempt to hedge risks with a fluky view that they could correctly predict the future market movements. If this is the case, it implies that firms believe they are capable of timing the markets and thereby reducing their costs of capital. In this respect, debt issues could mainly be driven by the debt market conditions. Therefore, the question examined in this paper is whether corporate debt issues are determined by the intention of hedging or market timing? We first find that firms’ asset interest rate sensitivities increase considerably after new debt is issued that significantly alters the firms’ interest rate exposure. We then find that debt issues are significantly correlated with the debt market conditions, such as inflation, real short-term interest rate, and yield spread. Firms have a high incentive to issue floating rate and short-term debt when inflation, real short-term interest rate, and yield spread are high. This indicates a close relation between the decisions of corporate debt issues and the exogenous market factors. Finally, our evidence shows that debt yield type and maturity decisions are driven mainly by market conditions as there is no significant evidence on the relationship between the firm-specific interest rate exposure and the choices of debt yield types and maturity horizons. Taken together, our results suggest that firms are timing the market when issuing debt in an effort to lower their costs of capital rather than hedge the interest rate risk exposure. The remainder of the paper is organized as follows. Section 2 reviews the related literature. Section 3 provides a description of the data and samples. Section 4 develops the empirical strategy and presents the findings. Section 5 concludes.

نتیجه گیری انگلیسی

Early work on corporate risk management assumes that firms use derivatives purely for hedging purposes. An implicit assumption of this is that firms not using derivatives are not hedging. However, theory tells us that firms can manage their risk exposures by means other than derivatives. For instance, corporate bond per se can be employed as an effective instrument for interest rate risk management. By correctly choosing the interest rate sensitivities of equities and liabilities, firms can hedge their interest rate exposures by issuing debt. Using this logic, in this paper we examine whether firms make full use of debt issues for hedging purposes or if they have other considerations. We find that firms’ choice of debt issues are primarily driven by debt market conditions in an effort to lower their costs of capital, rather than managing their firm-specific interest rate exposures. Our evidence suggests that market timing rather than hedging is the primary motivation behind corporate debt issues. Our findings also add evidence to the growing field of behavioral corporate finance that sees managerial decisions as primarily driven by market conditions and managers’ desire to time the market.

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