For individual countries, variable trade barriers can be used to reduce the volatility of domestic relative to world … prices. If this is done by countries accounting for a large share of the market, its effect is offset by increases in world … price volatility. This study shows the nature of the resulting collective action problem, with the policy being ineffective …

volatility and its effects on food security is a complex issue with many dimensions, agricultural and non-agricultural, short and … begins with a discussion of volatility and of the ways in which volatility affects countries, businesses, consumers and … volatility in future. This report offers suggestions for a systematic and internationally coordinated response building on the …

price volatility. It also discusses the implications for food security and policy responses to mitigate excessive volatility … dealing with extreme volatility. …