Make sure that bidders for a deal are not encouraged to be over-optimistic

2  A key element of the initial competition in 1994-95 to find a promoter for the Link was the level of direct grants required by each bidder. As the level of direct grants would depend on the amount of revenue each bidder thought it could secure from operating Eurostar UK, there was an in-built incentive for bidders to be over-optimistic about the prospects for the business.