Originally Posted by
racedo
Yet another con, include the cost of pensions for long retired members of the services so they not out of general pensions but MOD budget, keep adding in any "potential" expenditure that "looks" military so get to the number. It wouldn't surprise me that the resurfacing of roads close to a base get lobbed into defence spending.
2% GDP is an excellent example of Goodhart's law - as soon as a metric becomes a target it ceases to be a useful metric.