By Chris Dorrell Mark Carney said it makes “little sense” for the fiscal rules to exclude the longer term benefits of public investment as he joined calls for the government to ramp up capital spending. In place of the existing rules, the former Governor of the Bank of England argued that the government needed to adopt a broader measure of the economy’s fiscal health to ensure that investment would not suffer. “If government money is being spent to build or buy an asset on behalf of the nation, it is only right that its value is captured in the definitions of national debt,” he wrote in the Ti…