Money should have a predictable value, not a stable vale. That's why most economies target 2% inflation. If money had a stable value, then saving would be riskl

Money should have a predictable value, not a stable vale. That's why most economies target 2% inflation. If money had a stable value, then saving would be riskless, until the accumulation of saved money increased would put increased pressure on the expected GDP until that "stability" collapsed catastrophically (as in the Great Depression)