Which of the following statements is TRUE of the global debt crisis?

a)Fiscal imbalances are the least important source of risk and uncertainty in the global business environment.

b)The smallest proportion of government debt results from national pension and healthcare programs.

c)Debt has substantially decreased in major advanced economies mainly due to excessive government spending.

d)When a government tries to pay down its debt, money is drawn out of the national money supply, which hinders economic activity and reduces tax revenues.