The great distortion

THE way that black holes bend light’s path through space cannot be smoothed out by human ingenuity. By contrast, a vast distortion in the world economy is wholly man-made. It is the subsidy that governments give to debt. Half the rich world’s governments allow their citizens to deduct the interest payments on mortgages from their taxable income; almost all countries allow firms to write off payments on their borrowing against taxable earnings. It sounds prosaic, but the cost—and the harm—is immense.

In 2007, before the financial crisis led to the slashing of interest rates, the annual value of the forgone tax revenues in Europe was around 3% of GDP—or $510 billion—and in America almost 5% of GDP—or $725 billion (see Briefing). That means governments on both sides of the Atlantic were spending more on cheapening the cost of debt than on defence. Even today, with interest rates close to zero, America’s debt subsidies cost the federal government over 2% of GDP—as much as it spends on all its...

from The Economist: Leaders http://ift.tt/1HfCrbs