Eisai and Pfizer, who produce donepezil, also known as Aricept, have also asked "fully transparent working version of the calculations used in the cost effectiveness model for independent evaluation and comment".

BBC: image of rivastigmine

It would be far more cost-effective to support local farmers in their breeding and evaluation of selected varieties already in community seed banks.

ECONOMIST: Letters

"The evaluation concluded that any undergrounding of the main 400kV line cannot be justified on the grounds of cost, technical difficulties and very limited environmental benefits, " its report said.

BBC: Stirling Council hits out at Beauly-Denny line plan

If investors focused on the economic cost of losses relative to the benefit of gains, they would likely change their perspective on performance evaluation.

FORBES: Peace Of Mind Performance In Stocks