Since the Quartet operates by consensus, "it comes down to the lowest common denominator effect," explained Elgindy, who is now a fellow at the Brookings Institution.
Although the Delphi is a useful tool for identifying consensus, it is not without its limitations.
Although its action merely validated the market consensus, it caused the stock to collapse.
If Labour is serious about re-establishing a progressive consensus, it must tread more carefully than before in its handling of issues that are central to this country's progressive tradition.
If Westminster is locked into a paralysing neoliberal consensus it is partly because the corporate media, owned and staffed by its beneficiaries, demands it.
The consensus: it was time to buy.
If there was anything like consensus, it was that change was necessary.
"At present, A4E's sectors benefit from a broad cross-party consensus," it says.
"When you live by consensus, it shifts how you function with people," Mr. Marshall said.
By nearly universal consensus, it did far too little to bring health-care costs down.
According to expert consensus, it offered a far safer system and was more cost-efficient.
