(Bloomberg View) — Edmund Burke saw society as a partnership between those who are living, those who are dead, and those who are yet to be born. A failure to understand this relationship underlies a disturbing global tendency in recent decades, in which the appropriation of future wealth and resources for current consumption is increasingly disadvantaging future generations. Without a commitment to addressing this inequity, social tensions in many societies will rise sharply.
Central to the issue is that the rapid rise in living standards and prosperity of the past 50 years has been largely based on rising debt levels, ignoring the costs of environmental damage and misallocation of scarce resources.
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A significant proportion of recent economic growth has relied on borrowed money — today standing at a dizzying 325% of global gross domestic product. Debt allows society to accelerate consumption, as borrowings are used to purchase something today against the promise of future repayment. Unfunded entitlements to social services, health care and pensions increase those liabilities. The bill for these commitments will soon become unsustainable, as demographic changes make it more difficult to meet.
Degradation of the environment results in future costs, too: either rehabilitation expenses or irreversible changes that affect living standards or quality of life. Profligate use of mispriced non-renewable natural resources denies these commodities to future generations or increases their cost.
The prevailing approach to dealing with these problems exacerbates generational tensions. The central strategy is “kicking the can down the road” or “extend and pretend,” avoiding crucial decisions that would reduce current living standards, eschewing necessary sacrifices, and deferring problems with associated costs into the future.
Rather than reducing high borrowing levels, policy makers use financial engineering, such as quantitative easing and ultra-low or negative interest rates, to maintain them, hoping that a return to growth and just the right amount of inflation will lead to a recovery and allow the debt to be reduced. Rather than acknowledging that the planet simply can’t support more than 10 billion people all aspiring to American or European lifestyles, they have made only limited efforts to reduce resource intensity. Even modest attempts to deal with environmental damage are resisted, as evidenced by the recent fracas over the Paris climate agreement. Short-term gains are pursued at the expense of costs which aren’t evident immediately but will emerge later.
This growing burden on future generations can be measured. Rising dependency ratios — or the number of retirees per employed worker — provide one useful metric.
In 1970, in the United States, there were 5.3 workers for every retired person. By 2010 this had fallen to 4.5, and it’s expected to decline to 2.6 by 2050.
In Germany, the number of workers per retiree will decrease to 1.6 in 2050, down from 4.1 in 1970.
In Japan, the oldest society to have ever existed, the ratio will decrease to 1.2 in 2050, from 8.5 in 1970.
Even as spending commitments grow, in other words, there will be fewer and fewer productive adults around to fund them.
Budgetary analysis presents a similarly dire outlook.
In a 2010 research paper, entitled “Ask Not Whether Governments Will Default, But How,” Arnaud Mares of Morgan Stanley analyzed national solvency, or the difference between actual and potential government revenue, on one hand, and existing debt levels and future commitments on the other. The study found that by this measure the net worth of the U.S. was negative 800% of its GDP; that is, its future tax revenue was less than committed obligations by an amount equivalent to eight times the value of all goods and services America produces in a year. The net worth of European countries ranged from about negative 250% (Italy) to negative 1,800% (Greece). For Germany, France and the U.K., the approximate figures were negative 500%, negative 600% and negative 1,000% of GDP. In effect, these states have mortgaged themselves beyond their capacity to easily repay.
A final revealing measure is the concept of lifetime net tax benefit, which measures the benefits received over a person’s life by calculating the difference between all taxes paid and all the government transfers that he or she has received and will receive. A 2010 study from the International Monetary Fund found that in the United States the lifetime tax burden was positive (tax paid was less than benefits received) for all age cohorts above 18 years, with the largest benefit accruing to those over age 50. But the figure for future generations is negative (benefits received will be less than taxes paid), meaning they’ll have to meet the obligations of their elders.
Such measurements probably understate the shortfall, as they fail to account for the cost of environmental damage or higher commodity prices resulting from resource shortages. Future generations will bear the ultimate cost of present decisions or inaction. As in Francisco Goya’s famous painting, “Saturn Devouring His Son,” today, the old are eating their children.
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