//-->
The gold‐silver spread: Integration, cointegration, predictability, and ex‐ante arbitrage
Wahab, Mahmoud, (1994)
Price dynamics and error correction in stock index and stock index futures markets: A cointegration approach
Wahab, Mahmoud, (1993)
The Gold-Silver Spread: Integration, Cointegration, Predictability, and Ex-Ante Arbitrage