, conventional linear models of price dynamics such as the Vector Error Correction Model (VECM) can lead to erroneous inferences … about cointegration relationships, price adjustments and relative values. We propose the use of regime-switching models to … address these issues. Our regime switching model uses price data to infer whether pricing is oil-driven (integrated) or gas …

became physically integrated. The oil-linked Continental gas price became dominant, due to both the large volume of the … opening up of the Interconnector (1998) the UK gas market had neither government price regulation nor a physical Continental … oil and electricity, took place. Using monthly price data, we find a highly integrated market where wholesale demand seems …

substantial price differences between gas from different export countries, and do prices move together? Time series of Norwegian … prices for gas to Germany move proportionally over time, indicating an integrated gas market (the Law of One Price holds). We …. Among the explanatory factors for price discrepancies are differences in volume flexibility (swing) and perceived political …