Why are agricultural prices often volatile even when harvest changes are small?

• A. Because agricultural supply is highly inelastic in the short run, so small changes in harvest cause large price swings.
• B. Because agricultural markets have very high price elasticity of supply, amplifying small harvest changes into large price movements.
• C. Because governments and traders frequently change price supports and taxes whenever harvests vary slightly.
• D. Because consumers' demand for food is highly elastic, so small harvest changes lead to big price volatility.

Answer: (A)