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Nouriel Roubini
Nouriel Roubini
Nouriel Roubini is a professor of economics at NYU
The instability of inequality
An economic model that does not address inequality will at some point face a decline of legitimacy.
Last Modified: 14 Oct 2011 08:47
Protests have emerged against an economic system that has not addressed inequality [GALLO/GETTY]

This year has witnessed a global wave of social and political turmoil and instability, with masses of people pouring into the real and virtual streets: the Arab Spring; riots in London; Israel’s middle-class protests against high housing prices and an inflationary squeeze on living standards; protesting Chilean students; the destruction in Germany of the expensive cars of “fat cats”; India’s movement against corruption; mounting unhappiness with corruption and inequality in China; and now the “Occupy Wall Street” movement in New York and across the United States.

While these protests have no unified theme, they express in different ways the serious concerns of the world’s working and middle classes about their prospects in the face of the growing concentration of power among economic, financial, and political elites. The causes of their concern are clear enough: high unemployment and underemployment in advanced and emerging economies; inadequate skills and education for young people and workers to compete in a globalised world; resentment against corruption, including legalised forms like lobbying; and a sharp rise in income and wealth inequality in advanced and fast-growing emerging-market economies.

Of course, the malaise that so many people feel cannot be reduced to one factor. For example, the rise in inequality has many causes: the addition of 2.3 billion Chinese and Indians to the global labour force, which is reducing the jobs and wages of unskilled blue-collar and off-shorable white-collar workers in advanced economies; skill-biased technological change; winner-take-all effects; early emergence of income and wealth disparities in rapidly growing, previously low-income economies; and less progressive taxation.

The increase in private- and public-sector leverage and the related asset and credit bubbles are partly the result of inequality. Mediocre income growth for everyone but the rich in the last few decades opened a gap between incomes and spending aspirations. In Anglo-Saxon countries, the response was to democratise credit – via financial liberalisation – thereby fuelling a rise in private debt as households borrowed to make up the difference. In Europe, the gap was filled by public services – free education, health care, etc. – that were not fully financed by taxes, fuelling public deficits and debt. In both cases, debt levels eventually became unsustainable.

Firms in advanced economies are now cutting jobs, owing to inadequate final demand, which has led to excess capacity, and to uncertainty about future demand. But cutting jobs weakens final demand further, because it reduces labour income and increases inequality. Because a firm’s labour costs are someone else’s labour income and demand, what is individually rational for one firm is destructive in the aggregate.

The result is that free markets don’t generate enough final demand. In the US, for example, slashing labour costs has sharply reduced the share of labour income in GDP. With credit exhausted, the effects on aggregate demand of decades of redistribution of income and wealth - from labour to capital, from wages to profits, from poor to rich, and from households to corporate firms - have become severe, owing to the lower marginal propensity of firms/capital owners/rich households to spend.

The problem is not new. Karl Marx oversold socialism, but he was right in claiming that globalisation, unfettered financial capitalism, and redistribution of income and wealth from labour to capital could lead capitalism to self-destruct. As he argued, unregulated capitalism can lead to regular bouts of over-capacity, under-consumption, and the recurrence of destructive financial crises, fuelled by credit bubbles and asset-price booms and busts.

Even before the Great Depression, Europe’s enlightened “bourgeois” classes recognised that, to avoid revolution, workers’ rights needed to be protected, wage and labour conditions improved, and a welfare state created to redistribute wealth and finance public goods - education, health care, and a social safety net. The push towards a modern welfare state accelerated after the Great Depression, when the state took on the responsibility for macroeconomic stabilisation - a role that required the maintenance of a large middle class by widening the provision of public goods through progressive taxation of incomes and wealth and fostering economic opportunity for all.

Thus, the rise of the social-welfare state was a response (often of market-oriented liberal democracies) to the threat of popular revolutions, socialism, and communism as the frequency and severity of economic and financial crises increased. Three decades of relative social and economic stability then ensued, from the late 1940’s until the mid-1970’s, a period when inequality fell sharply and median incomes grew rapidly.

Some of the lessons about the need for prudential regulation of the financial system were lost in the Reagan-Thatcher era, when the appetite for massive deregulation was created in part by the flaws in Europe’s social-welfare model. Those flaws were reflected in yawning fiscal deficits, regulatory overkill, and a lack of economic dynamism that led to sclerotic growth then and the eurozone’s sovereign-debt crisis now.

But the laissez-faire Anglo-Saxon model has also now failed miserably. To stabilise market-oriented economies requires a return to the right balance between markets and provision of public goods. That means moving away from both the Anglo-Saxon model of unregulated markets and the continental European model of deficit-driven welfare states. Even an alternative “Asian” growth model - if there really is one - has not prevented a rise in inequality in China, India, and elsewhere.

Any economic model that does not properly address inequality will eventually face a crisis of legitimacy. Unless the relative economic roles of the market and the state are rebalanced, the protests of 2011 will become more severe, with social and political instability eventually harming long-term economic growth and welfare.

Nouriel Roubini is Chairman of Roubini Global Economics, Professor of Economics at the Stern School of Business, New York University, and co-author of the book Crisis Economics.

A version of this article previously appeared on Project Syndicate.

The views expressed in this article are the author's own and do not necessarily reflect Al Jazeera's editorial policy.

Source:
Project Syndicate
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