Markov-switching models are usually specified under the assumption that all the parameters change when a regime switch occurs. Relaxing this hypothesis and being able to detect which parameters evolve over time is relevant for interpreting the changes in the dynamics of the series, for...

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,...