AP Syllabus focus: ‘People may hold bonds and stocks instead of highly liquid money balances.’
Asset choice is the decision about which financial assets to hold. Households and firms often accept lower liquidity in exchange for higher expected returns, while managing the extra risk that comes with bonds and stocks.
Bonds and stocks as alternatives to money
Money balances (currency and checkable deposits) are highly liquid but typically earn little or no return. Bonds and stocks are common alternatives because they can provide interest, dividends, and capital gains, but they are generally less liquid and more risky than money.
Liquidity: how quickly an asset can be converted into spendable funds at low cost and with little risk of losing value.
Liquidity matters because paying for goods, services, and bills requires assets that can be used immediately or converted quickly.
Bonds
Bond: a financial asset representing a loan to a borrower (issuer) that promises periodic interest payments and repayment of principal at maturity.
Key features for asset choice:
Return potential: usually more predictable than stocks because payments are specified in advance.
Risk: includes default risk (issuer may not pay) and interest-rate risk (bond values can change before maturity).
Liquidity: many bonds can be sold, but not as instantly or as costlessly as spending money.
Stocks
Stock: a financial asset representing partial ownership (equity) in a firm, with returns coming from dividends and changes in share price.
Stocks may be held instead of money because they can offer higher long-run expected returns, but they expose holders to:
Market risk: share prices can fluctuate widely.
Firm-specific risk: outcomes depend on a company’s profits and prospects.
Liquidity differences: major shares are often easy to trade, but selling still takes time and involves transaction costs and price uncertainty.
The return–risk–liquidity trade-off in asset choice
Asset choice is largely a trade-off among liquidity, expected rate of return, and risk.
This graph illustrates the basic risk–return trade-off: as risk increases (moving right), investors generally require a higher expected return (moving up). It helps explain why households may choose bonds or stocks over money balances when they are willing to accept greater uncertainty in exchange for higher expected returns. Source
Rate of return: the gain from holding an asset over a period (income received plus any increase in asset value), expressed as a percentage of the amount invested.
People may reduce money holdings when they value higher expected returns more than immediate spending capability, especially when they:
have stable income and predictable expenses
have access to credit or emergency funds
can tolerate fluctuations in wealth
Risk: the uncertainty about an asset’s future return, including the chance of losses.
Practical factors that shift preferences toward bonds or stocks
Even without changing income, people may move funds out of highly liquid money balances into bonds or stocks due to:
Time horizon: longer horizons make illiquidity easier to accept.
Precautionary needs: higher uncertainty about upcoming payments increases desired money holdings.
Transaction costs and convenience: brokerage fees, bid–ask spreads, and the effort of trading can discourage holding non-money assets.
Expectations: beliefs about future economic conditions can change perceived risk and expected returns.
Diversification and holding a mix of assets
Diversification: spreading wealth across different assets to reduce exposure to any single source of risk.
Rather than choosing “money versus bonds versus stocks,” many households hold a portfolio:
money for transactions and emergencies
bonds for relatively stable income and moderate risk
stocks for growth potential with higher volatility
FAQ
Lower-rated bonds typically offer higher yields to compensate for greater default risk.
Ratings can also affect liquidity: some investors and institutions avoid low-rated bonds, making them harder to sell quickly.
Duration is a measure of how sensitive a bond’s price is to changes in interest rates.
Longer-duration bonds generally have greater price swings, increasing risk for investors who may sell before maturity.
Dividend stocks can provide more predictable cash income.
Growth stocks may offer higher capital gains potential, but often with less current income and greater price volatility.
They bundle many shares into one product, making diversification cheaper and simpler.
They can reduce firm-specific risk compared with buying a few individual stocks.
Different tax rules may apply to interest, dividends, and capital gains.
After-tax returns can therefore differ from pre-tax returns, changing which asset is most attractive for a given investor.
Practice Questions
(2 marks) Explain one reason why a household might hold bonds rather than highly liquid money balances.
Identifies a valid reason linked to asset choice (e.g., higher expected return/interest income than money) (1)
Explains the trade-off (e.g., accepts lower liquidity or higher risk in exchange for return) (1)
(6 marks) Using the concepts of liquidity, risk, and expected return, explain why an individual might shift part of their wealth from money into (i) bonds and (ii) stocks. Include one role of diversification.
Defines or correctly uses liquidity in context (1)
Bonds: explains higher expected return than money and notes a relevant risk or lower liquidity (2)
Stocks: explains potentially higher expected return than bonds/money and notes greater risk/volatility and/or liquidity costs (2)
Diversification: explains mixing assets reduces exposure to any single risk (1)
