Volatile and rising agricultural prices put significant strain on the global fight against poverty. An accurate reading of future food price movements can be an invaluable budgetary planning tool for various government agencies and food aid programs. Using the asset-pricing approach developed in...

We propose a theoretical framework for assessing whether a forecast model estimated over one period can provide good forecasts over a subsequent period. We formalize this idea by defining a forecast breakdown as a situation in which the out-of-sample performance of the model, judged by some loss...