How do I calculate country-specific ERP for emerging markets?

Question

AcadiFi · Accepted Answer

Emerging market ERP calculation requires combining a mature-market base with country-specific risk premia. The Damodaran framework is the most widely adopted.

Framework:
EM_ERP = Mature_ERP + Country_Risk_Premium

CRP calculation (two approaches):

A. Default spread × volatility scalar
CRP = Sovereign_Spread × (σ_equity / σ_bond)

B. Sovereign rating-implied spread
Use Moody's or S&P rating mapped to typical corporate bond spreads over Treasuries.

Inputs as of early 2026:

Nigeria (Caa1):
- Default spread: ~950 bps
- σ_equity (NGX ASI) / σ_bond: ~1.20
- CRP = 9.50% × 1.20 = 11.40%
- ERP = 5.0% + 11.40% = 16.40%

Kenya (B3):
- Default spread: ~635 bps
- Volatility ratio: ~1.15
- CRP = 6.35% × 1.15 = 7.30%
- ERP = 5.0% + 7.30% = 12.30%

Egypt (Caa1):
- Default spread: ~820 bps
- Volatility ratio: ~1.25
- CRP = 8.20% × 1.25 = 10.25%
- ERP = 5.0% + 10.25% = 15.25%

Company-specific ERP for Quantafric:
If revenue breakdown is 40% Nigeria, 35% Kenya, 25% Egypt:
Weighted ERP = 0.40 × 16.40% + 0.35 × 12.30% + 0.25 × 15.25% = 14.66%

Refinements:
- Use lambda to capture operational exposure distinct from revenue exposure (local production, currency mismatch)
- For frontier markets with thin sovereign bond markets, proxy with regional peer spread
- Adjust for currency of cash flows vs. cost of equity currency (fisher equation)
- Sanity check using implied ERP from local index DCF

EM ERP calculations swing dramatically with sovereign crisis events — recheck quarterly.

How do I calculate country-specific ERP for emerging markets?

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