Nonlinear adjustment toward long-run price equilibrium relationships in the sugar-ethanol-oil nexus in Brazil is examined. We develop generalized bivariate error correction models that allow for cointegration between sugar, ethanol, and oil prices, where dynamic adjustments are potentially...

In this paper, we examine the relationship between crude oil and natural gas prices. Using smooth transition regression modelling approach, we find that both the long-run and short-run relationships between oil and gas prices are more aptly modelled by simultaneous structural breaks and...