Sweet news for sugar producers?

On 10 August the world sugar price reached a 28-year high. The price has risen by 88 per cent since the beginning of the year and 20 per cent in just the previous two weeks. The following articles explain why sugar prices have soared and examine the implications for the future.

Sugar Rallies 40% in Options Pointing to 1981 Peak Bloomberg (10/8/09)
Sugar hits 18-year high on drought threat Financial Times (10/8/09)
Sugar prices head towards the sky Financial Times (28/7/09)
Sugar price reaches 28-year high BBC News (10/8/09)
Food Companies Ask USDA to Boost Sugar-Import Quotas Bloomberg (7/8/09)
Sugar Monthly Prices Index Mundi

Questions

  1. Using a supply and demand diagram explain why sugar prices have risen recently. Distinguish between shifts in and movements along the demand and supply curves.
  2. What is the relevance of the price elasticity of demand and supply of sugar in explaining the magnitude of the price movements?
  3. What factors are likely to have the biggest influence over movements in the price of sugar over the coming months?
  4. How is speculation likely to affect (a) the volatility and (b) the level of the price of sugar over the coming weeks?