He said such "union" would help keep exchange rates fixed for five years or so.
Fixing for five years is a more difficult call.
The loans can be fixed for up to ten years.
Companies like knowing that their rates will be fixed for 20 years.
Today you can fix for five years at a rate below 3.50% and some commentators expect rates to get even lower.
The price has been fixed for 20 years by the government.
Requiring a deposit of just 5pc, the home loan is fixed for two years at 5.99pc.
The loan periods have been fixed for three years now.
Income compensation was fixed for six years in 1993.
So, I have an interest only mortgage on my four bed terraced which costs me £600 a month (fixed for five years).