Consider: the 10-year Treasury pays about 1.9%, less than half what it paid five years ago. 100-Minus-Your-Age applied when the benchmark T-bill paid out 9% or 10%, like it did in the 1980s.
But reading and listening to the political debate about UK economic policy, you'd be forgiven for thinking that the most important economic decisions the government makes are all fiscal: Will they or won't they press ahead with Plan A, or Plan A-minus?