The long-run performance of firms that issue convertible debt: an empirical analysis of operating characteristics and analyst forecasts

Many firms issue hybrid securities, such as convertible debt, instead of standard securities like straight debt or common equity. Theoretical arguments suggest that convertible debt minimizes costs for firms facing high debt- and equity-related external financing costs. Theory also suggests that an appropriately designed convertible security provides efficient investment incentives. We show, however, that firms on average perform poorly following the issuance of convertible debt. The empirical evidence suggests that the efficient investment decisions predicted by theory are not in fact achieved by the actual design and issuance of convertible debt securities. An alternative interpretation of convertible debt offers is that investors ration the participation of some issuers in the seasoned equity market.     

VALUATION OF PRIMARY ISSUE CONVERTIBLE BONDS

Little empirical evidence is available on the nature of the trade-offs between the debt- and equity-like components of convertible bonds. Such information would be useful to firms considering the issuance of convertible bonds. Furthermore, complete understanding of the leverage implications of convertible bond issuance depends on the market's view of the proportions of the implicit debt/equity mix. The current study develops a two-equation model that estimates the relative contributions made to the value of primary issue convertible bonds by the debt and implicit warrant components. The model's distinct approach affords an opportunity to evaluate the empirical relationship between the value of the implicit warrant and the theoretical determinants of that value by isolating the individual components of the convertible bond's value.     

The determinants of the hybrid security issuance decision for Australian firms

The Australian capital market has number of distinct characteristics that distinguish it from typical U.S. and European markets. There is a limited listed debt market where most firms use bank debt, convertible debt is not callable and stand alone warrants are used to raise capital. This paper examines the determinants of security choice for hybrid issuers in the Australian market. The results support the pecking order model and the impact of financial distress costs and taxation. Alternatively, the results provide support for the sequential financing model where firms with high profitability use convertible debt and firms with low profitability use warrants, to solve the sequential financing problem.     

Changes in risk characteristics of firms issuing hybrid securities: case of convertible bonds

The present paper examines changes in risk characteristics of a firm when it issues convertible bonds by studying the change in beta before and after the issuance of convertible bonds. Using a sample of 149 firms, strong evidence was found of change in beta, along with significant heterogeneity across firms. On average, the beta of a firm issuing convertible bonds declines, although 40 per cent of firms showed an increase in beta. A cross‐sectional regression shows that after controlling for the reversion‐to‐mean phenomenon, the change in beta is significantly related to potential dilution of equity as well as to increase in debt, but is not significantly related to either the change in bond rating of a firm or to the stated use of funds from issuance.     

Convertible debt issuance,capital structure change and financing-related information: Some new evidence

This paper provides evidence on the valuation effects of convertible debt issuance. Common stockholders earn significant negative abnormal returns at the initial announcement of a convertible debt offering, and also at the issuance date. In contrast, the average valuation effect on common stock at the announcement of non-convertible debt offerings is only marginally negative, and is zero at issuance. The significant negative average effect on common stock value appears not to be systematically related to either the degree of leverage change induced by the convertible debt issuance or the extent to which the proceeds from issuance are used for new investment or to refinance existing debt. If, as appears likely, the issuance of convertible debt on average increases financial leverage, these results are inconsistent with evidence from other recent studies documenting common stock price effects of the same sign as the change in leverage. The evidence suggests that convertible debt offerings convey unfavorable information about the issuing firms, but the specific nature of such information remains unidentified.     

FIRM PERFORMANCE AND SECURITY TYPE IN SEASONED OFFERINGS: AN EMPIRICAL EXAMINATION OF ALTERNATIVE SIGNALING MODELS

In this paper we examine the long-term performance of publicly traded firms that issue straight debt, convertible debt, or common stock. Declines in firm performance following issuance are consistent with declines in firm value at announcement and issuance, and suggest that convertible debt and common stock are substantially equivalent. This study is consistent with the pecking-order and Miller-Rock models, but inconsistent with the leverage-signaling model. Despite a significant decline following issuance, firms issuing common stock or convertible debt perform better, on average, than the industry before, at, and after issuance. This is consistent with younger, riskier, higher-growth firms being the predominant issuers of common stock and convertible debt.     

A SEQUENTIAL SIGNALING MODEL OF CONVERTIBLE DEBT ISSUE AND CALL POLICIES

This paper offers a new explanation for why some risk‐averse firms may prefer to issue callable convertible debt. Here, the convertible debt issue and call policies are integrated into a unified financing policy. It is then shown that for firms with relatively low unsystematic risk, convertible debt issuance followed by an appropriate in‐the‐money signaling call policy reduces more unsystematic equity risk than equity, callable straight debt, or their combination. The model is modified to incorporate asymmetric information at the issue stage to explain the stock price behavior at announcements of convertible debt sales.     

Analyst Coverage and Financing Decisions

We provide evidence that analyst coverage affects security issuance. First, firms covered by fewer analysts are less likely to issue equity as opposed to debt. They issue equity less frequently, but when they do so, it is in larger amounts. Moreover, these firms depend more on favorable market conditions for their equity issuance decisions. Finally, debt ratios of less covered firms are more affected by Baker and Wurgler's (2002) “external finance‐weighted” average market‐to‐book ratio. These results are consistent with market timing behavior associated with information asymmetry, as well as behavior implied by dynamic adverse selection models of equity issuance.     

Investment and financing activity following calls of convertible bonds

The staged financing hypothesis of Mayers [Mayers, D., 1998. Why firms issue convertible bonds: The matching of financial and real investment options. Journal of Financial Economics 47, 83–102] predicts that investment and financing activity will increase following in the money convertible bond calls. The prediction for out of the money convertible calls is different: no increase is expected. We study the rate of both corporate investment and external financing around forced conversions using benchmarks that are analogous to those recommended by Barber and Lyon [Barber, B., Lyon, J., 1996. Detecting abnormal operating performance: The empirical power and specification of test statistics. Journal of Financial Economics 41, 359–400]. We also examine the cross-section of changes in investment and financing activity. Conversion-forcing firms exhibit an increase in both capital expenditures and debt financing around the year of the convertible bond call; however, the same result holds for the sample firms that conducted out-of-the-money convertible calls. Further, there is no relation between changes in investment activity and changes in debt issuance at the firm level. The evidence is inconsistent with the notion that forced conversions serve as a catalyst for staged financing and investment.     

Do Investor Demand and Market Timing Affect Convertible Debt Issuance Decisions by REITs?

The unique regulatory environment of REITs casts doubt on the traditional theoretical process by which REIT managers base their convertible debt issuance decisions on issuer condition and prospects. Anecdotal evidence shows that REITs may have catered to demand by investors, including a demand by convertible bond arbitrageurs when issuing convertible debt. This study examines the rationale behind convertible debt issuances by REITs, focusing on the possible impacts of investor demand and market timing. The results suggest that investor demand significantly affects convertible debt issuance decisions by REITs while certain unknown factors appear to have contributed to the sudden increase of convertible debt offerings in 2006 and 2007. REITs also time the market to conditions in the public debt market. The results only partially support the offered risk-shifting, risk-uncertainty, backdoor-equity, and sequential-financing hypotheses.     

The impact of rights issues of convertible debt in Australian markets

Australian convertible debt issues are rights issues of non-callable securities and are issued in a market characterised by thin trading, significant institutional investor participation rates and a high number of resource firms. However, this study documents a significant negative announcement effect for rights issues of convertible debt, similar to international evidence. An analysis of the determinants of the announcement effect supports variants of the information asymmetry and agency cost hypotheses. The results do not support the convertible debt models of Kim [Kim, Y., 1990. Informative conversion ratios, a signalling approach. Journal of Financial and Quantitative Analysis 25, 229–243], Brennan and Kraus [Brennan, M., Kraus, A., 1987. Efficient financing under asymmetric information. Journal of Finance 42, 1225–1243], Green [Green, R.C., 1984. Investment incentives, debt and warrants. Journal of Financial Economics 13, 115–136] but some support is found for Stein's [Stein, J., 1992. Convertible bonds as backdoor equity financing. Journal of Financial Economics 32, 3–22], convertible debt model and Mayers [Mayers, D., 1998. Why firms issue convertible bonds: the matching of financial and real investment options. Journal of Financial Economics 47, 83–102], sequential financing model. However, support is found for Brous and Kini [Brous, P.A., Kini, O., 1994. The valuation effects of equity issues and the level of institutional ownership: evidence from analysts’ earnings forecasts. Financial Management 23, 33–46], equity issue based external monitoring model and Eckbo and Masulis [Eckbo, B., Masulis, R., 1992. Adverse selection and the rights offer paradox. Journal of Financial Economics 32, 292–332], rights issue adverse selection model.     

‘Hot’ Debt Markets and Capital Structure

This paper examines the motives of debt issuance during hot‐debt market periods and its impact on capital structure over the period 1970–2006. We find that perceived capital market conditions as favourable, an indication of market timing, and adverse selection costs of equity (i.e., information asymmetry) are important frictions that lead certain firms to issue more debt in hot‐ than cold‐debt market periods. Using alternative hot‐debt market issuance measures and controlling for other effects, such as structural shifts in the debt market, industry, book‐to‐market, price‐to‐earnings, size, tax rates, debt market conditions and adjustment costs based on debt credit ratings, we find that firms with high adverse selection costs issue substantially more (less) debt when market conditions are perceived as hot (cold). Moreover, the results indicate that there is a persistent hot‐debt market effect on the capital structure of debt issuers; hot‐debt market issuing firms do not actively rebalance their leverage to stay within an optimal capital structure range.     

Are there windows of opportunity for convertible debt issuance? Evidence for Western Europe

This paper hypothesizes that hot convertible debt windows represent periods with lower convertible debt-related financing costs. Supporting this premise, we find that the stock price impact of Western European convertible debt announcements is significantly less negative during hot convertible debt windows. Importantly, this result holds while controlling for equity and straight debt issuance volumes and for macroeconomic conditions. In addition, stockholders are less sensitive to issuer- and issue-specific financing costs during hot convertible debt markets. Overall, these findings indicate that hot convertible debt markets represent windows of opportunity for convertible debt issuance. Firms with high idiosyncratic financing costs act accordingly by timing their convertible debt offering during a hot market.     

Industry conditions,growth opportunities and market reactions to convertible debt financing decisions

Firms that issue convertible debt have high debt- and equity-related costs of external finance. Existing theories of convertible debt finance differ primarily in their identification of the specific causes of the debt- and equity-related costs of external finance. To assess the theoretical issuance motives separately, we propose a simple framework that characterizes how issuers should design convertible debt to efficiently mitigate specific debt- and equity-related costs of external finance. We provide evidence from 588 security offer announcements that supports the hypotheses that: (1) convertible debt can be designed to mitigate different combinations of debt- and equity-related costs of external finance and (2) share price reactions depend on the security design decisions. The results also illustrate that the relations between firm value, financial leverage, investment opportunities, and the rate of future growth are more complex among convertible debt issuers than situations where firms issue standard financial securities.     

Why is Convertible Debt Subordinated? An Investment‐Based Agency Theory

This paper offers an agency‐based explanation for the junior priority status of convertible bonds. Using a simple economic model, I show that when convertible and straight debt have equal priority, shareholders can prefer value‐decreasing projects, which results in wealth transfers from bondholders to shareholders; and I prove that this problem is solved when convertible debt is subordinated. Empirical evidence supports the theory. I find that firms with greater potential for investment‐based agency conflicts are more likely to issue subordinated convertible debt, and firms with senior convertible debt are more likely to deviate from the optimal investment policy.     

DETERMINANTS OF VALUATION EFFECTS FOR SECURITY OFFERINGS OF COMMERCIAL BANK HOLDING COMPANIES

In this study, the impact of security issuance by bank holding companies is examined in light of two hypotheses: the regulation or asymmetry reduction hypothesis and the bank capital hypothesis. Announcements of the issuance of common stock are associated with a significant negative effect, and the magnitude of this effect is similar to that found previously for utilities and smaller than that found for industrial firms. The market does not appear to treat subordinated debt announcements as similar to equity, although the debt qualifies as “capital” for regulatory purposes. Cross-sectional regressions do not support asymmetric information models where all unexpected external announcements are viewed negatively. Rather, the type of security being issued is an important determinant of the announcement effect.     

New evidence on the announcement effect of convertible and exchangeable bonds

This study investigates the announcement and issuance effects of offering convertible bonds and exchangeable bonds using data for the Swiss and German markets during January 1996 and May 2003. The analysis suggests that announcement effects of convertible bonds and exchangeable bonds are associated with significantly negative abnormal returns. German firms exhibit a stronger reaction than Swiss firms, possibly for institutional reasons. We also investigate the effect of the market return of the announcement effect and find that the negative abnormal returns are significantly more pronounced when previous market returns have been negative. Furthermore, we analyze the relation between the announcement effects and equity components by controlling for the equity signal sent to the market. We find the size of the equity component of an issue to have a strong influence on the announcement effect for convertible but not for exchangeable securities and offer an explanation for this difference.     

What we do and do not know about convertible bond financing

We review the literature on the issuance motives, shareholder wealth effects, and design of convertible bonds. Empirical studies on convertible debt issuance mainly focus on testing the predictions of four traditional theoretical models based on convertibles' potential to mitigate agency or adverse selection costs, and obtain mixed evidence. Recent studies on shareholder wealth effects of convertible bond issues highlight the need to control for arbitrage-related short selling and post-issuance risk changes. Studies on the determinants of convertible bond design uncover earnings management, as well as catering incentives to convertible arbitrage funds, as important determinants of innovations in convertible bond characteristics. Overall, our review indicates that recent empirical research on convertible debt provides valuable insights into issue motives and determinants of financial innovations, but also considers the broader question of how investor demand characteristics impact corporate finance decisions. We conclude with an overview of potential research questions to be addressed by future research on hybrid securities.     

THE CHOICE AMONG DEBT,EQUITY, AND CONVERTIBLE BONDS

The hybrid nature of convertible bonds continues to interest corporate financial managers, investors, and economists. While much theoretical and empirical research examines an issuer's choice between using straight debt and equity, little research evaluates how an issuer chooses among debt, equity, and convertible bonds. This study extends Marsh's [ 13 ] research on the differences between debt and equity issuers in the United Kingdom by examining U.S. industrial firms that issue debt, equity, or convertible bonds. It also illustrates how various distinguishing features influence the probability that each security will be issued.     

我国资本市场可转债定价及后市走势研究

从1992年发行第一只可转换公司债券(以下简称“可转债”)至今,中国可转债市场已经历了二十多年的发展。自诞生以来,中国监管机构对可转债的发行要求不断明确,配套监管措施不断完善,可转债市场迅速发展,发行规模不断提高。然而,在2017年以前,虽然可转债的发行规模增长迅速,但其融资总额占资本市场股权产品总融资规模的比重仍处于较低水平。究其原因,一方面是因为可转债的发行主体仅限于上市公司,股权融资存在较大的不确定性;同时可转债的定价条款过于复杂,市场接受程度较低。随着2017年证监会对可转债产品的审核标准进一步明确,可转债发行规模高速增长,目前已成为资本市场上不可忽视的品种。为确定可转债定价方式,本文以“广汽转债”历年来的市场价格为数据基础,以B-S模型为分析模型,通过实证分析寻求影响可转债定价的主要因素,对未来可转债定价的研究具有一定的借鉴意义。