作者: M.Fatih Oztek , Nadir Ocal
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摘要: This paper tests and models time varying correlations among agricultural commodity, precious metal S&P500 indices to uncover whether rising trend these markets is a result of financialization commodity and/or financial crisis. We particularly investigate the roles market news, global volatility on nature dynamics correlation. Empirical results show that high during crisis main source correlation index with index, plays crucial role in between S&P500, possibly due increasing engagement investors Hence, heterogeneous structure delivers better portfolio diversification opportunities calm periods compared turmoil