The Chartered Accountant • Journal of ICAI December 2021 • Vol. 70 • No. 6 • pp. 78–82 (Journal pp. 722–726)
FINANCE • CORPORATE FINANCIAL MANAGEMENT

Detection of Debt Overhang - A Pragmatic Approach

Nilotpal Mukherjee (Research Scholar (PhD), Department of Commerce, The University of Burdwan)  •  Dr. Arindam Das (Professor, Department of Commerce, The University of Burdwan)

1. Introduction: Capital Structure Dynamics & The Debt Overhang Trap

Every company has a unique composition of debt and equity capital which has a significant role in increasing its valuation and attracting more investment. Judicial use of debt is always appreciated by the shareholders because it may intensify their earnings through trading on equity. But contrary to their expectation, if earnings are not sufficient to cover the contractual payments, it may induce them to shift their fund to other companies which is called capital flight.

As investing in a highly leveraged company always invites risk, investors expect return to be high, and if the company has an unsustainable level of debt with a high default chance, investors are not willing to invest in positive net present value (NPV) projects on the ground that the company will try to settle past debt under compulsion by avoiding new investors’ expectation. This is the essence of debt overhang which is nothing but a trap to close the door for inflow of funds as well as struggling with series of defaults in contractual payments which ultimately leads to the insolvency of the company.

Theoretical Evolution: From Myers (1977) to Post-Crisis Literature

The concept of debt overhang was conceived by Myers (1977) in his seminal work, Determinants of Corporate Borrowings. Debt overhang is defined as a condition of capital structure where disproportionate debt is restricting new investments since the benefits of future profitable investment in firms are used to meet past debt and very little will be available for the shareholders.

Later, Krugman (1988) noted that debt overhang is also a country-level problem which may restrict the aggregate flow of investment into a sovereign economy. Furthermore, Sebnem Kalemli-Ozcan et al. (2015) and Gianluca Antonecchia & Monica Ferrari (2016) established empirical evidence of pervasive debt overhang in European firms following the 2008 global financial crisis.

The theoretical problem of underinvestment could be diminished by offering a credible commitment to new investors that they would have prior claim on the cash flows arising from projects funded by them (seniority and cash-flow ring-fencing).

Distinction: Heavy Indebtedness vs. Debt Overhang

Heavy debt in capital structure does not automatically mean debt overhang. If a company can generate sufficient cash flows from its operation to cover its contractual payments in due time, there is no debt overhang. When a heavily indebted company runs short of operational cash flow generation and the chance of default escalates, the company cannot attract new investors even if it possesses highly profitable investment plans. Investment of a company may diminish due to various economic reasons, but when it is directly caused by unsustainable debt and uncertainty of repayment, it is defined as debt overhang.

2. Post-2008 Corporate Context in India & Disclosure Norms (Ind AS 107)

After the 2008 worldwide recession, sluggish investment was noticed in corporate sectors in the US as well as in many European countries. In India, corporate debt reached peak levels in highly leveraged, capital-intensive sectors including Real Estate, Telecom, Power, and Steel Manufacturing.

The role of credit rating agencies in reflecting true credit risk in proper time is often questioned, and auditors are frequently blamed following corporate collapses. Hence, the mere ex-post diagnosis of unsustainable debt is not enough; detecting whether debt has already started to demotivate new investors and create the vicious circle of debt overhang is an urgent professional requirement. Professional accountants and auditors cannot afford to rely solely on credit rating agencies.

Regulatory Mandate: Indian Accounting Standard (Ind AS) 107

Indian Accounting Standard (Ind AS) 107 lays down comprehensive guidelines for the disclosure of credit risk of financial instruments, requiring reporting of:

  • Details of contractual default and breaches;
  • Credit risk exposure categorized by amount, timing, and cash flow uncertainties;
  • Quantitative and qualitative information to evaluate credit exposure for financial statement users;
  • Maximum possible credit risk exposure without taking collateral into account.

While increasing probability of default can be reported through statutory disclosure norms, how it alters investors’ perception requires advanced empirical tools. Professional accountants must design such analytical models to evaluate the imminence of debt overhang and enrich financial statement notes by disclosing how close a highly leveraged firm is to the debt overhang threshold.

Cascading Financial Health Repercussions:

Debt overhang has severe consequential effects across corporate financial health: it depresses capital investment growth, impairs long-term operating performance, dampens sustainable growth rates, diminishes enterprise valuation, and disrupts existing working capital flows, ultimately pushing the corporate entity into statutory insolvency. Earlier detection empowers financial managers to execute timely remedial measures such as debt restructuring, debt rescheduling, or equity recapitalization before value destruction becomes irreversible.

3. Construction of Accounting Ratios for Debt Overhang Detection

For the empirical detection of debt overhang, accounting ratios serve as vital diagnostic tools. Each ratio captures debt overhang from a distinct perspective. Myers argued that long-term debt overhang is predominantly hazardous and suggested short-term debt as a potential remedy. However, Diamond and He (2014) demonstrated that short-term debt generates even more acute debt overhang during an economic downturn due to rollover vulnerabilities. Thus, both long-term and short-term debt dimensions must be scrutinized:

1. Investment Ratio (INV) - The Core Dependent Variable

A consistent decline in investment is the primary operational hallmark of debt overhang. Conventional balance sheet ratios (Fixed Asset / Total Asset, Fixed Asset / Equity) are inadequate because they reflect static book stocks. Investment must be measured by adopting a flow concept that neutralizes depreciation effects:

Investment (INV) = (Increase in Fixed Tangible Assets between Two Accounting Periods + Depreciation) / Proprietor’s Fund (Opening Value)

Adjustment for Intangibles and Reserves: If a firm has large investments in intangible assets (patents, intellectual property rights) influencing investor sentiment, depreciation and amortization must be aggregated in compliance with Ind AS 38 / Ind AS 26. Furthermore, while computing the increase in fixed assets, changes in revaluation reserves must be fully adjusted.

2. Long-Term Debt Overhang Measures (LTD and REP)

To evaluate long-term overhang, debt maturity structure and debt service capacity relative to operational cash flow must be isolated:

a) Long-Term Debt Maturity Ratio (LTD):
LTD = Debt in Long Term / Total Debt
Measures the proportion of long-term debt in total debt liabilities, reflecting long-term contractual maturity lock-in.
b) Repayment Ability Ratio (REP):
REP = [Total Debt - Cash & Cash Equivalents] / EBITDA
Measures net debt burden relative to operational cash earnings (EBITDA eliminates non-cash depreciation and amortization). An increasing REP signifies declining repayment capacity. Widely utilized for credit risk assessment by rating agencies such as CRISIL.

3. Leverage Ratio (LV)

Debt–Equity Ratio (LV) = Long Term Debt / Equity

Reflects capital structure gearing. While high debt-equity ratios represent prima-facie evidence of leverage, empirical literature (John & Muthusamy, 2011; Raveesh Krishnankutty, 2014) confirms that LV alone captures only the leverage effect, not the debt overhang effect, because it omits cash flow repayment and maturity dimensions.

4. Short-Term Debt Overhang Measure (Coverage Ratio, CV)

Coverage (CV) = Interest / EBITDA

Formulated as the inverse of interest coverage, using EBITDA to remove non-cash charges. Any rise in CV signals deteriorating short-term interest servicing capability, proxying short-term debt overhang pressure.

4. Multiple Regression Econometric Model Specification

To detect the empirical presence of debt overhang, a multiple regression model linking capital investment to the debt maturity, repayment, leverage, and coverage variables is specified as follows:

// Econometric Formulation of Debt Overhang Detection Model
INVt = α + β1 * LTDt + β2 * REPt + β3 * LVt + β4 * CVt + εt     [Equation 1]
Where:
• α = Intercept parameter
• β1, β2, β3, β4 = Regression slope coefficients of independent variables
• εt = Stochastic disturbance error term
• t = Time period (Year)

The statistical significance and negative magnitude of coefficients β1, β2, β3, and β4 on investment (INV) substantiate the real existence of corporate debt overhang.

5. Eight-Step Implementation Roadmap for Professional Accountants & Auditors

  1. Identify Target Companies: Screen for entities exhibiting elevated financial leverage accompanied by a continuous decline in investment rate over a considerable period.
  2. Define Time Window: Identify the specific empirical study period by tracing graphical trend lines showing the onset and persistence of falling capital investment growth.
  3. Data Compilation & Econometric Diagnostic Testing: Extract financial statement data from certified databases; compute INV, LTD, REP, LV, and CV ratios; conduct tests for Autocorrelation, Multicollinearity, and Heteroskedasticity.
  4. Descriptive Statistics & Sectoral Benchmarking: Calculate descriptive statistical parameters (mean, dispersion) for each ratio and compare against industry peer averages to detect structural divergence.
  5. Credit Rating Cross-Verification: If descriptive statistics reveal symptoms of unsustainable debt, cross-reference external credit ratings issued by credit rating agencies.
  6. Execute Multiple Regression Estimation: Run the multiple regression model (Equation 1); apply robust standard errors (HAC/White) if econometric diagnostics indicate data irregularities.
  7. Coefficient Validation & Granger Causality Testing: Evaluate statistical significance of independent variables. If investment decline is confirmed to stem from debt-related regressors, execute the Granger Causality Test to verify the empirical directional causality running from debt variables to investment contraction.
  8. Conclude on Nature & Scope of Debt Overhang: Determine whether the company suffers from short-term debt overhang, long-term debt overhang, or a combined structural overhang.

Early Warning System in Debt Sustainability Reporting:

Accounting professionals should focus heavily on default probabilities and cash flow patterns to uncover root causes of debt overhang. Incorporating these ratios into periodical accounting reports as an integral part of Debt Sustainability Reports enables accountants to assess the onset of debt overhang well in advance. Continuous ratio monitoring reduces passive reliance on rating agencies, and allows auditors to include caution statements regarding abnormal trends to preserve financial statement transparency before unexpected rating downgrades occur.

6. Conclusion & Policy Recommendations

Debt-related distress is poised to intensify in capital-intensive Indian sectors including Real Estate, Aviation, Power, Steel, and Telecom. Prolonged non-recognition of debt overhang complicates corporate rehabilitation; once insolvency is reached, short-term debt restructuring and liquidity restoration become almost impossible.

Early diagnosis and disclosure are essential not only for internal corporate management but for external stakeholders as well. Early identification enables operational and financial creditors to engage in constructive debt restructuring negotiations in their mutual interest. Furthermore, prospective investors can be induced to infuse fresh equity if the corporate debtor successfully reschedules past debts.

The study emphasizes that rigid, universal standards cannot be mandated for debt ratios because capital requirements are inherently industry-specific and company-specific. Rather, ongoing periodic assessment of debt’s impact on investment provides the true safeguard against corporate failure. Accounting professionals are urged to deploy this econometric model, validate findings across corporate case studies, and advance reporting norms to steer Indian enterprises away from the debt overhang trap.

References

  1. Antonecchia, G., & Ferrari, M. (2016). The effect of debt overhang on the investment decisions of Italian and Spanish firms. Prometeia Working Paper, (2016-01).
  2. Diamond, D. W., & He, Z. (2014). A theory of debt maturity: the long and short of debt overhang. The Journal of Finance, 69(2), 719-762.
  3. John, F., & Muthusamy, K. (2011). Impact of leverage on firm investment decision. International Journal of Scientific and Engineering Research, 2(4), 2209-5518.
  4. Kalemli-Ozcan, S., Laeven, L., & Moreno, D. (2015). Debt overhang, rollover risk and investment in Europe. Dubrovnik.
  5. Krishnankutty, R. (2014). Debt Capital in Indian Corporate Sector: A Study with Reference to Selected Public Limited Companies, (Doctoral Dissertation), The Institute of Chartered Financial Analysts of India University, Tripura, India.
  6. Krugman, P. (1988). Financing vs. forgiving a debt overhang. Journal of Development Economics, 29(3), 253-268.
  7. Myers, S. C. (1977). Determinants of corporate borrowing. Journal of Financial Economics, 5(2), 147-175.