Debt-to-GDP ability to pay debt ability to pay debt-to-GDP debt-to-GDP Debt-to-GDP "Debt-to-GDP Ratio" http://www.investopedia.com/terms/d/debtgdpratio.asp debt-to-GDP ratio http://www.investopedia.com/terms/d/debtgdpratio.asp debt debt http://www.investopedia.com/terms/d/debtgdpratio.asp debt-to-GDP ability to pay