Oil price shocks and US economic activity

Our understanding of the sources of oil price fluctuations and their effects on the U.S. economy has undergone important transformations in the last decades. First, several studies have demonstrated the importance of identifying the causes of oil price fluctuations, whether they are driven by demand or supply shocks, instead of assuming that oil price changes are exogenous to the evolution of the world's economic activity. Second, new methodologies have allowed researchers to re-evaluate the functional form of the relationship between oil prices and U.S. GDP, its components and job flows. Third, significant advances have been made in understanding the relationship between oil price uncertainty, news, economic policy uncertainty and aggregate economic activity. Finally, investigations into the time-varying nature of oil price-macroeconomy relationship have provided important insights into the reasons why unexpected increases in oil prices appear to shock less now than in the 1970s. This paper reviews the studies that have contributed to these different aspects of the literature.