The conventional wisdom offers a pessimistic response to these questions.
The method used, holdout, is the most conservative, in that it maintains a pessimistic bias toward the results.
The conclusion, in the fourth section, is partially but not entirely pessimistic.
The first direction is the utilization of multiple support thresholds with post-pruning methods such as database coverage and/or pessimistic error estimation.
One problem with using disaggregated data is the overly pessimistic tone of the contemporary literature.
I would like to suggest that the data in table 2 underestimate the amount of directive, pessimistic counseling.
But careful ecological-economic analysis might show my view of the potential of technological change to be too pessimistic.
A more pessimistic scenario examines possible outcomes in the absence of energy saving technological change and backstops fuels.
