The presence of oil under the refuge is highly speculative and the costs of drilling -- the destruction of an internationally significant wilderness and wildlife area -- are unacceptable.
The on-going multilateral funded planning reforms in Ghana should do no worse than framing the new policies on the basis of supportable evidence of benefits over costs; speculative benefits have proved fatal.
In a separate paper summarizing the prevalence and cost data for headache in Europe [30] a more speculative estimate for the cost of headache, rather than migraine alone, was derived by using the results of the Danish [31] and British [32] population-based studies which demonstrated that around 1,100 1,300 days per 1,000 workers were missed due to headache each year.
But the speculative game is not cost-free, as other governors who have considered national ambition have discovered.
But even if these are likely to improve the quality of care, they are speculative and uncertain as cost-saving measures.
But the speculative game is not cost-free, as other governors who have considered or pursued national office have quickly discovered.
According to the Bogotá-based transport experts Diana Barco and Doris Tarchópulos, only a third of the proposed 388km has actually been built out; two additional phases have languished in developmental stasis, making projections of low-cost purely speculative.
During the 1997-98 Asian crisis the Hong Kong Monetary Authority (HKMA) fiercely defended the peg against massive speculative attacks at the cost of sky-high interest rates, a property-market collapse and severe deflation.
But Constitutional Reform Minister Mark Harper said those costs were "completely speculative" and he did not yet know whether costs would rise, but said a referendum on the issue would cost "around £100m".
Attempting to precisely predict what Amazon will do with Whole Foods, in terms of new costs, is too speculative even after a host of initial price cuts have become known.
Brian J. Kennedy of the Institute for Energy Research in Washington, which favors opening the shelf, said lifting the presidential ban would focus attention on the need for Congress to act, easing the speculative pressure driving up the cost of oil.
