 According to the National Bureau of Economic Research, GDP would increase almost 10.5% in the first year after the FairTax goes into effect.FairTax advocates claim this economic boost, along with an estimated 8% real wage increase, would strengthen charitable giving.In a 2007 study, the Beacon Hill Institute concluded that total charitable giving would increase under the FairTax, although increases in giving would not be distributed proportionately amongst the various types of charitable organizations.