Commodity prices are key ingredients in many economic theories. We pick three of them (Prebisch–Singer hypothesis, commodity currencies, financialization of commodity markets) and give a critical view on the empirical challenges faced by practitioners, including measurement inconsistencies,...

Commodity price booms, as those recorded in the last decade, may have a significant economic impact in small, commodity exporting, developing countries. Whether the impact on output is positive or negative is still unclear. It depends on various factors, notably on the impact that commodity...