There is evidence that people are willing to pay more to avoid diseases they believe to be serious, and that their willingness to pay changes as their perception of the seriousness of the disease changes.
Mr Hunt has said most doctors would see no change to their pay from the changes but admitted that those who work the very longest hours could lose money.
In microcosm, the row boils down to whether it should be as easy in France for employers to sack workers, cut their pay and arbitrarily change their working conditions as it is in post-Thatcher, post-BHS Britain.
The last time they carried out a similar demonstration, in 2008, they numbered around 20,000, and the federation said this time it was a display of the anger of rank and file officers faced with cuts to their pay, pensions and changes to their working conditions.
Investors vote on executive pay schemes in an advisory capacity, but most companies try to gain their biggest shareholders' approval for pay changes.
Maybe this year banks will change their pay structure so there's not so much emphasis on short-term results.
"People knew they could change their pay by rewriting their job description, not by raising their productivity," says Lori Fosnes, the senior compensation manager.
Elsewhere, many boards have decided not to change their pay plans until the current scandals recede from the headlines, said Blair N.
In remarks that appeared to be aimed at Barclays, Welby said it was difficult for banks to change their pay structure if they had big investment banking arms.
The Federal Reserve's review started in early November, when senior officials informed the chiefs of the major banks and their compensation committees that they might need to change their pay practices ahead of new rules.
