Central Bank of Chile paper on copper price models

Central Bank of Chile
Photo: Central Bank of Chile/Wikimedia Commons

A Central Bank of Chile paper published on Monday investigates the effects of a regime-switching variance on models measuring the behaviour of copper prices.

Copper prices, like many commodities, generally exhibit large and persistent swings with periods of relatively stable prices and times of high volatility. García Javier and Roque Montero Cicco, the paper's authors, explore whether the evolution of copper prices can be characterised by a Markov-switching model, a model in which parameters

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