Analyse how natural resource investments behave in terms of risk, return and diversification
The idea
Natural resource investments include raw land, timberland, farmland and commodities, and each has its own sources of return. Timberland earns from the biological growth of the trees, from timber prices and from the value of the land, and its owner can delay harvesting when prices are poor, leaving the timber to keep growing. Farmland earns from harvest income and land appreciation but is exposed to weather, crop prices and disease. Commodity exposure is usually taken through futures, whose total return combines the change in spot price, the roll yield from replacing expiring contracts, which is positive in backwardation and negative in contango, and the collateral yield on margin. Natural resources are real assets, so they tend to hold value when inflation rises and have had low correlation with stocks and bonds, which is their diversification case. Their risks include illiquidity, concentration and appraisal-based valuations that smooth reported returns and understate volatility.
A practice question
Which is a source of return specific to timberland rather than to farmland?
- Biological growth of the trees — correct
- Annual income from harvesting cropsWhy not: Recurring harvest income is characteristic of farmland, not standing timber.
- Rent paid by tenant office firmsWhy not: Office rents belong to commercial real estate, not natural resources.
Trees keep growing whether or not they are cut, so the volume of timber, and its value, rises over time independently of prices.
A harder one
Why can a timberland owner manage price risk better than a farmland owner?
- Timber prices never fallWhy not: Timber prices do fall; the point is that the owner can wait them out.
- Timber has no storage costsWhy not: Stored cut timber does carry costs; the advantage is leaving trees standing.
- Harvesting can be delayed — correct
Trees left uncut keep growing, so the owner can defer harvest until prices recover, while crops must be harvested when ripe.
The hardest tier
Why are natural resource investments often said to hedge inflation?
- They pay fixed coupons each yearWhy not: Fixed coupons lose real value in inflation, the opposite of a hedge.
- They are real assets priced in goods — correct
- They are valued on nominal bond yieldsWhy not: Their value is driven by resource prices, not bond yields.
Land, timber and commodities are physical assets whose prices tend to rise with the general price level, so they preserve real value better than nominal assets.
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