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Price discovery on the S&P 500 index markets : an analysis of spot index, index futures, and SPDRs
Chu, Quentin C., (1999)
Pricing efficiency of the S&P 500 index market : evidence from the Standard & Poor's Depositary Receipts
Chu, Quentin C., (2002)
Pricing Efficiency of the S&P 500 Index Market: Evidence from the Standard & Poor's Depositary Receipts