As a major oil producer and member of OPEC, Nigeria benefited greatly from the sharp increases in world oil prices during the 1970s. It was especially hard hit by the weakening of oil markets during the past four years, when its oil production had to be cut back sharply and its prices reduced....

This paper formulates and estimates petroleum products demand functions in Nigeria at both aggregative and product level for the period 1977 to 2006 using multivariate cointegration approach. The estimated short and long-run price and income elasticities confirm conventional wisdom that energy...