摘要：Understanding the determinants of price volatility is a key step to prevent the potential negative consequences of the uncertainty faced by farmers. The presented critical review provides a novel categorization of grain price volatility drivers. The authors distinguish the endogenous and exogenous causes and conclude on the potential effects that each of the identified factors may generate on the price dynamics. In particular, there is deepened the contribution of endogenous factors, such as the spatial and temporal arbitrage, as well as the drivers of shocks of demand and supply.
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