MODULE 5: Fixed-Income Markets for Government Issuers
Source module:
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- Sovereign debt = bonds issued by national governments to fund public goods; backed by taxing power, usually the largest issuers in domestic markets, typically highest credit quality locally.
- Public-sector accounting focuses on cash flows; analysts should think in balance-sheet terms: implied assets (future taxes) versus liabilities (promised debt payments).
- Core divide: developed-market issuers borrow in stable, reserve currencies with deep markets and transparent fiscal policy; emerging-market issuers face higher volatility, weaker institutions, and funding constraints.
- Emerging-market debt is often split into domestic debt (local currency, local investors) and external debt (foreign currency, foreign creditors); external debt adds FX risk because repayment currency ≠ tax currency.
- If a government earns in INR but owes USD debt, currency depreciation mechanically raises debt burden even if real activity is unchanged.
- Governments issue across maturities to balance cost and risk; too much short-term debt lowers rates today but raises rollover risk tomorrow.
- Rollover risk = inability to refinance maturing debt; classic crisis trigger when markets suddenly refuse to roll short-term bills.
- Debt management policy decides how much, what type, maturity, currency, and indexation (floating, inflation-linked) of debt is issued.
- Inflation-linked debt shifts inflation risk to the issuer; nominal fixed-rate debt shifts inflation risk to investors.
- Sovereign issuance is done via regular public auctions to signal transparency and price discovery. Competitive bids specify both price and quantity; noncompetitive bids accept the auction price and are guaranteed allocation.
- Government auctions ₹1,000 crore of a 10-year bond; competitive bidders submit bids like “₹300 crore at 7.10%,” “₹400 crore at 7.15%,” “₹500 crore at 7.25%.” Because the auction cleared (filled the quota) at the 7.25% tier, 7.25% is the cutoff yield.
- In a “single-price” auction (also known as a Dutch auction), everyone pays the same yield→the highest yield accepted to sell the entire offering. If the government needs to sell bonds and the clearing rate is 4.0%, a bidder who aggressively bid 3.8% still gets the bonds at 4.0%, which encourages more aggressive bidding by removing the fear of overpaying. In a “multiple-price” auction, winning bidders pay exactly what they bid; if you bid 3.8% and the clearing rate was 4.0%, you are stuck earning 3.8% while others earn more. This structure can reduce aggressive bidding because investors fear the “winner’s curse”→winning the auction but paying a price worse than the market average.
- Issuers wanting to minimize yield volatility often prefer single-price auctions; bidders shade less.
- On-the-run bonds = most recently issued securities at a given maturity; most liquid, used as benchmarks for risk-free rates. Yield curves in practice are built off on-the-run sovereign bonds, not off older illiquid issues.
- Primary dealers are designated banks obligated to bid in auctions and make secondary markets; they act as transmission channels for monetary policy. Central banks interact with primary dealers as counterparties when conducting open-market operations.