Watkins, Michael D., and Samuel Passow. "Sunk Costs: The Plan to Dump the Brent Spar (A)." Harvard Business School Case 903-010, April 2003.

Brent futures (CO1:COM) fell -1.4% to $74.54 a barrel by 6 am ET, U.S. West Texas Intermediate crude (CL1:COM) was down -1.75% to $71.09. Both the contracts were on course for a 2.8% and 3.3% ...