Interdependence among Agricultural Commodity Markets, Macroeconomic Factors, Crude Oil and Commodity Index

Jose Fernandez, Bruce Morley

Research output: Working paper / PreprintWorking paper

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Abstract

This paper examines the degree of interdependence between three agricultural commodity prices, crude oil price returns, macroeconomic variables and the S&P GSCI commodity returns index. We apply Aielli (2013) cDCC model using monthly data from 1982 to 2012 to estimate the dynamic correlations of the returns series and endogenously detect any structural instability of the dynamic correlations. Our results indicate that crude oil price returns present statistically significant dynamic correlations with all the macroeconomic variables in addition to the GSCI index. Additionally, we detect structural changes in these dynamic correlations mainly associated with the financial crisis of 2008. On the other hand, our results show that there exists no degree of interdependence between maize, soybeans and sugar with crude oil price returns and most of the macroeconomic variables. The exceptions are between soybeans with the U.S. exchange rate and sugar with global economic activity. Nevertheless, only the GSCI index presents significant dynamic correlations with these commodity price returns.
Original languageEnglish
Place of PublicationBath, U. K.
PublisherDepartment of Economics, University of Bath
Publication statusPublished - 26 Oct 2015

Publication series

NameBath Economics Research Working Papers
Volume42/15

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