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Questo articolo è stato pubblicato il 24 maggio 2012 alle ore 15:15.


PALO ALTO – Elections often turn on the state of the economy, especially in hard times. When growth and jobs are down, voters throw out incumbents – whether Spanish leftists, French rightists, or Dutch centrists. The United States is no exception. Three years into the Great Depression, Herbert Hoover was trounced by Franklin Delano Roosevelt. In 1980, following a severe bout of stagflation, Ronald Reagan routed Jimmy Carter.

At the same time, economic performance depends to a considerable extent on economic policy. The Great Depression was intensified by poor monetary policy, tax hikes, and protectionist trade policies. Likewise, loose US monetary policy in the middle of the last decade helped to set the stage for the Great Recession by contributing significantly to an explosion of leverage and fueling the housing bubble that burst in 2007-2008.

The outcome of two related policy battles will be key to the economic and political outlook in both the US and Europe. The first is between austerity and growth – that is, short-term deficit reduction and additional fiscal stimulus. Many on the left, on both sides of the Atlantic, argue that more, not less, government spending is required to lift their economies out of recession. Those on the right believe that governments’ top priority should be fiscal consolidation.

In Europe, large deficits and exploding debt-to-GDP ratios have alarmed creditors and provoked political tension. In particular, Germany demands more fiscal belt-tightening from heavily indebted Southern European countries, whose unions (and voters) are rejecting further austerity. While the US has thus far avoided the bond market’s wrath, American political leaders confront the same problem of debt and fiscal sustainability.

The second battle involves long-run structural issues: slowing the growth of government spending, reforming taxes, and increasing labor-market flexibility. In Europe, for example, raising the retirement age for public pensions and shrinking government employment would curtail welfare-state excesses.

In the US, Reagan’s victory in 1980 appeared to signal that America would stop well short of the European social-welfare model. But President Barack Obama and his congressional allies have rejected the consensus that government should be only a last resort for those in need, in favor of greater dependence, for both individuals and firms, on entitlement programs and other public spending, targeted tax breaks, regulations, and loans.

Separating the budget’s effects on the economy from those of the economy on the budget is tricky. There are several cases – Ireland and Denmark in the 1980’s, for example – in which fiscal consolidation helped to expand the economy in the short run, as lower interest and exchange rates boosted confidence enough to stimulate demand.

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