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Oil prices are found to exert nonlinear effects on major advanced economies. Real output's reaction is much more visible during the periods of high oil prices of the mid-1970s and early 1980s. Oil prices have had inflationary consequences in several economies not only in those two periods, but also during the spike of 1990. There is also evidence that inflation has picked up in some economies as a result of the oil price hikes of 1999-2000, and even more recently in the case of the US. [ABSTRACT FROM AUTHOR]

This paper presents evidence of a non-linear relationship between real GDP growth and oil price changes for the US economy. We also argue that this non-linearity is not merely due to the use of data from the mid-1980s onwards, as most authors, so far, seem to believe. In fact, we find the existence of non-linearity with the use of data earlier than 1984, and even before 1977. Furthermore, we question that the non-linear transformations of oil prices proposed in the literature are the most appropriate ones for reflecting such non-linearity. [ABSTRACT FROM AUTHOR]

This paper contributes to better understand the dynamic interactions between effective exchange rate (EER) and oil price for an oil-importing country like the U.S. by considering a Time-Varying Parameter VAR model with the use of monthly data from 1974:01 to 2019:07. Our findings show a depreciation after an oil price shock in the short-run for any period of time, although the pattern of long-run responses of U.S. EER is diverse across time periods, with an appreciation being observed before the mid-2000s and after the mid-2010s, and a depreciation between both periods. This diversity of response should lead policy makers to react differently in order to counteract such shocks. Furthermore, the reaction of oil price to an appreciation of U.S. EER is negative and different over time, which may generate different adverse effects on investment. The knowledge of such effects may help financial investors to diversify their investments in order to optimize the risk-return profile of their portfolios., Competing Interests: The authors have declared that no competing interests exist.