Commodities and Price Swings

Commodities are basic goods such as oil, copper, wheat, coffee and cocoa that are largely interchangeable regardless of who produces them. Their prices are set in world markets and can swing dramatically because supply is slow to adjust: a new mine or coffee plantation takes years, so shortages produce price spikes and gluts produce crashes. Weather, wars, currency moves and changes in demand all play a part.

In the 2000s, China's rapid industrialization fueled a 'commodity supercycle', and oil peaked at around $147 a barrel in July 2008 before collapsing within months. Countries that depend heavily on a single commodity, such as Zambia on copper or Côte d'Ivoire on cocoa, see export earnings and government budgets rise and fall with prices. Producers and buyers use futures contracts to lock in prices and manage risk, though debates continue over whether speculation adds to volatility.

Some countries smooth the swings with stabilization funds or diversification strategies.