Budgetary Wishful Thinking

Why do many countries find it hard to control their budgets? Concern about budget deficits has become a burning political issue in the United States; helped to persuade the United Kingdom to enact stringent cuts, despite a weak economy; and is the proximate cause of the Greek sovereign-debt crisis, which has grown to engulf the entire eurozone. Indeed, among industrialized countries, hardly anyone is immune from fiscal woes.