Fixed Income · Reading 65

Credit Analysis for Government Issuers

CFA Level I · Fixed Income · Reading 65 · about 16 min

What you'll learn

Module 65.1

Credit Analysis for Government Issuers

This reading explains what to look for when assessing the credit of sovereign governments and of non-sovereign government issuers. A candidate must be able to name and apply the five qualitative and three quantitative factors of sovereign credit analysis, compute debt burden and debt affordability ratios, and compare general obligation bonds with revenue bonds.

LOS 65.a — Credit analysis of sovereign and non-sovereign government issuers

Sovereign (national government) debt

A national government services its sovereign debt mainly through its power to tax economic activity within its borders. Sovereign credit analysis therefore asks whether the country has the conditions for stable growth with low inflation. The evidence falls into five qualitative and three quantitative factors.

Five qualitative factors

Key concept

FactorWhat the analyst looks for
Institutions and policyRule of law, property rights, a culture of repaying debt, transparent and consistent data, business-friendly policy, political stability and peaceful relations with neighbors. The government's willingness to pay also counts, which matters because of sovereign immunity (bondholders usually cannot sue a government that refuses to pay)
Fiscal flexibilityAbility to raise taxes or cut spending to keep making debt payments
Monetary effectivenessA credible central bank able to vary money supply and interest rates to support stable growth; an independent central bank is less likely to print money to pay government debt, lowering the risk of high inflation and a weak currency
Economic flexibilityGrowth trends, income per capita, and diversity of the sources of growth
External statusStanding of the currency internationally. A reserve currency (one that central banks around the world widely hold in their foreign exchange reserves) gives a country more ability to issue debt to foreign investors in its own currency and to maintain larger budget deficits and debt; also geopolitical risk

Three quantitative factors

Key concept

FactorStronger credit shown by
Fiscal strengthLow debt burden (debt/GDP, debt/revenue) and good debt affordability (low interest/GDP, low interest/revenue)
Economic growth and stabilityHigh real GDP growth, large economy, high GDP per capita, low volatility of growth
External stabilityHigh FX reserves relative to GDP and to external debt; low long-term external debt/GDP; low external debt due within 12 months relative to GDP

FX reserves typically build up in countries with a current account surplus. If exports are concentrated in one commodity, the sovereign's credit risk becomes tied to that commodity's price.

Worked example. A country has GDP of 2,000, government debt of 1,100, government revenue of 640 and annual interest cost of 38 (all in billions). Debt burden: of GDP; debt affordability: of revenue. A peer with debt/GDP of 50% but interest/revenue of 8% has the lighter debt burden yet the weaker debt affordability, so the two measures can point in different directions.

Non-sovereign government debt

Issuer typeCredit profile
Agencies (quasi-government entities, e.g., for infrastructure)Backed by law with implicit government support; ratings usually close to the sovereign
Government sector banks / financing institutions (e.g., issuing green bonds)Implied government support; ratings similar to the sovereign
Supranational issuers (e.g., the World Bank), set up by groups of sovereign governmentsRatings depend on the implicit support of the sponsoring governments and institutions
Regional governments (provinces, states, local governments — municipal bonds in the United States)Analyzed on their own tax base or project cash flows

Key concept

Regional government bonds are mostly of two kinds:

  • General obligation (GO) bonds: unsecured bonds backed by the full faith and credit of the issuing government, i.e., by its taxing power.
  • Revenue bonds: issued to finance a specific project (airport, toll bridge, hospital, power plant) and serviced from that project's revenues.

Regional governments, unlike sovereigns, have no monetary policy tools (they cannot print money) and usually must balance their operating budgets. Their ability to service GO debt depends ultimately on the local economy (the tax base). Revenue bonds often carry more credit risk than GO bonds, since repayment comes only from the single project.

Revenue bond analysis resembles corporate credit analysis: it focuses on the project's cash flows and the debt-service coverage ratio, which is revenue after operating costs divided by required interest and principal payments. The higher the ratio, the safer the bond.

Common exam traps

  • Taxing power does not separate a sovereign from a state or city, since both levy taxes. The difference is that a sovereign that issues its own currency can print money.
  • A revenue bond is not safer because a named project backs it. One project is a narrower source of repayment than a whole tax base.
  • The direction of each ratio matters: a higher debt/GDP or interest/revenue ratio means weaker fiscal strength, while higher FX reserves relative to external debt mean stronger external stability.
  • Three pairs of factor names look alike but belong to different groups: fiscal flexibility (qualitative) and fiscal strength (quantitative); economic flexibility (qualitative) and economic growth and stability (quantitative); external status (qualitative) and external stability (quantitative).

Bottom line

  • A national government services its debt mainly through its power to tax, so sovereign credit analysis asks whether the country has the conditions for stable growth with low inflation.
  • The five qualitative factors of sovereign credit are institutions and policy (including the government's willingness to pay, given sovereign immunity), fiscal flexibility, monetary effectiveness, economic flexibility and external status.
  • The three quantitative factors are fiscal strength (a low debt burden and good debt affordability), economic growth and stability, and external stability (high FX reserves relative to GDP and to external debt, and low external debt relative to GDP).
  • A higher debt/GDP or interest/revenue ratio means weaker fiscal strength, and debt burden and debt affordability can point in different directions for the same country.
  • A country with a reserve currency can more easily issue debt to foreign investors in its own currency and can maintain larger budget deficits and debt.
  • Agencies and government sector banks carry implied government support and ratings close to the sovereign's, while supranational ratings depend on the implicit support of the sponsoring governments and institutions.
  • General obligation bonds are unsecured and backed by the issuing government's taxing power, while revenue bonds are serviced only from one project's revenues and often carry more credit risk.
  • Regional governments cannot print money and usually must balance their operating budgets, and revenue bonds are analyzed like corporate bonds, with a higher debt-service coverage ratio (project revenue net of operating costs, divided by the interest and principal due) meaning a safer bond.

Quick check

Question 1Core

Salvarra's central bank operates independently of the government and has a credible record of adjusting interest rates and the money supply to keep inflation low. In a sovereign credit analysis of Salvarra, this strength is best classified under which qualitative factor?

Show answer and explanation

Correct answer: C

Monetary effectiveness concerns the central bank's ability to vary the money supply and interest rates credibly to support stable growth. An independent central bank is less likely to print money to service government debt, which reduces the risk of high inflation and currency weakness.

Why the other options are wrong

  • A. Fiscal flexibility is the government's ability to raise taxes or cut spending to keep up debt payments. That is a budget issue rather than a central bank issue.
  • B. External status concerns the international standing of the currency (e.g., reserve currency status) and geopolitical risk.

Key takeaway Central bank credibility and independence belong to monetary effectiveness, room to tax or cut spending to fiscal flexibility, and reserve currency status to external status.

Practice Questions

Question 2Core

An analyst compares the fiscal strength of two sovereign issuers using the following data.

Selected fiscal data for two sovereign issuers (USD billions)
ItemKestriaVarnholm
Nominal GDP1,200500
Government debt780290
Government revenue420145
Annual interest expense on government debt29.413.05

Based on the debt burden (government debt to GDP) and debt affordability (interest expense to government revenue), which statement is most accurate?

Show answer and explanation

Correct answer: B

Fiscal strength is measured by a low debt burden (debt/GDP) and good debt affordability (low interest/revenue). Varnholm's debt is a smaller share of its GDP, but its interest bill absorbs a larger share of its revenue, so the two measures point in different directions.

Varnholm has the lower debt burden; Kestria has the lower (better) interest-to-revenue ratio.

Why the other options are wrong

  • A. Kestria's debt/GDP (65%) is higher than Varnholm's (58%), so Kestria does not have the lighter debt burden.
  • C. Varnholm's interest/revenue (9.0%) is higher than Kestria's (7.0%), so its debt affordability is worse.

Key takeaway Lower ratios are better for both fiscal strength measures, and the two can disagree, so compute both.

Question 3Core

The regional government of Varenna sets up a transit authority to build a light-rail line. The authority issues bonds whose interest and principal are to be paid from the line's fare revenue. The national government also guarantees the bonds as a backstop. These bonds are best described as:

Show answer and explanation

Correct answer: B

Revenue bonds finance a specific project and are serviced from that project's revenues. The fare revenue of the light-rail line is the primary source of repayment. The national guarantee is extra credit support; it does not make the national government the issuer.

Why the other options are wrong

  • A. General obligation bonds are backed by the full faith and credit, that is, the taxing power, of the issuing government. These bonds rely on the project's revenue instead.
  • C. Sovereign bonds are issued by the national government itself and serviced mainly from its tax revenue. Here the issuer is a regional entity, and the national government only guarantees the debt.

Key takeaway Classify regional government debt by its primary source of repayment: tax base (GO bonds) or a single project's revenue (revenue bonds). A guarantee adds support but does not change the classification.

This reading has 8 questions in the full bank. Practice all of them.

Key Takeaways