Preserving the Wealth

A 47-year-old surgeon earning $850,000 a year worries less about market returns than about a hand injury, a divorce, currency translation on her London property, and grocery inflation eroding what her parents left her. Preserving wealth is the discipline of protecting all four sides at once.

Human capital is the present value of expected future labor earnings, net of expected consumption needed to produce them. For a 30-year-old physician, human capital can exceed $10 million even with zero financial assets. For a 70-year-old retiree, human capital is near zero and financial capital must carry the load.

$$H{C}_0=\sum _{t=1}^N\frac{p_{s,t}\cdot E[W_t]}{(1+r_f+\theta {)}^t}$$

Here $p_{s,t}$ is the probability of survival and continued earning at time $t$, $E[W_t]$ is expected wage, $r_f$ is the risk-free rate, and $\theta$ is a risk premium for the wage stream. A tenured government economist gets a low $\theta$; a commission-only salesperson gets a high $\theta$. The same nominal wage produces different human-capital values because the discount rate compensates for income volatility.

Common mistakes

• Treating human capital as homogeneous across professions. A tenured professor's human capital is bond-like; a commissioned trader's is stock-like. The correct equity allocation in financial capital differs accordingly. Trap: applying the same 60/40 to both clients.
• Buying permanent life insurance for pure income replacement. Term is cheaper for a defined window. Permanent is justified only when the death benefit must arrive regardless of timing (estate liquidity, buy-sell, special needs). Trap: paying decades of permanent premium when 20-year term would do.
• Confusing own-occupation and any-occupation disability coverage. A specialist who can no longer perform their profession but could work in retail receives zero from an any-occupation policy. Trap: assuming all LTD policies pay the same.

Bottom line

• Human capital is the present value of future labor earnings, discounted at a rate reflecting wage risk. It dominates net worth early and decays toward zero at retirement, shifting financial capital from equity-heavy to bond-heavy.
• The five human-capital risks are mortality, longevity, disability, earnings volatility, and concentration, each paired with an instrument: term life, lifetime annuity, disability income, emergency reserve, and career diversification.
• Term life replaces income for a defined window; permanent life funds death-triggered liabilities (estate liquidity, buy-sell, special needs) that must arrive regardless of timing.
• Own-occupation disability pays if the insured cannot perform their specific profession; any-occupation is far narrower and may pay zero if the insured can work any job.

Exam shortcut

Total-wealth equity tilt rule. Stock-like human capital implies more bonds in financial capital; bond-like human capital allows more equities. Estimate human capital as PV of after-tax earnings to retirement at a wage-adjusted discount rate, then size financial-asset risk to keep total-wealth equity beta near target. Inflation-hedge fit. Match the regime to the hedge. Unexpected inflation: TIPS. Supply-shock inflation: commodities. Persistent moderate inflation: real estate, infrastructure, equities. Currency-debasement signal: gold.

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