This paper applies vector error correction models that show that oil and natural gas prices decoupled around 2009. Before 2009, US and UK gas prices had a long-term equilibrium with crude prices to which gas prices always reverted after exogenous shocks. Both US and UK gas prices adjusted to the...

We analyze the prices of Baedeker guidebooks issued between 1828 and 1945 in the English, French and German languages. We compile a repeat sales regression index of eBay hammer prices, which reveals a common factor in Baedeker guidebook prices. We find mixed evidence on the underperformance of...