Since the 1960s hydrocarbons like crude oil and natural gas have been the most important energy source to fuel the world economy. Despite high recent growth rates for renewable energies, hydro- carbons are expected to be a dominant source of energy for several decades to come. In the last 20...

This paper replicates the analysis in the paper “What Drives Natural Gas Prices?" by Stephen P.A. Brown and Mine K. Yücel. The replication confirms the results of that analysis: a long-run relationship existed between natural-gas prices and crude-oil prices during the period from June 1997 to...