这篇雅思阅读材料的主要内容是虽然美国的经济正在复苏，但是，美国人的信心仍然深陷在经济危机当中没有回复。在2月份的一次对于世界经济的领导力量的调查中，大多数人选择了中国。所以美国的经济复苏虽然充满了想法，但是还需付出实践。
Still full of ideas, but not making jobs
America needs to share the benefits of innovation more widely
THE economy is recovering, yet American confidence remains mired at levels more commonly seen in recessions. For that blame unemployment, petrol prices and a deeper, nagging feeling that America is in decline. A Gallup poll in February asked Americans to name the world’s leading economic power. By a significant margin, they said China.
Barack Obama has exploited this anxiety. America, he has said, faces a new “Sputnik moment” and must “compete for the jobs and industries of our time” by spending more on research, education and infrastructure. But the notion that America is on the verge of being vanquished by cleverer, more innovative competitors is flawed. First, competitiveness is a woolly concept that wrongly supposes countries, like football teams, win only when another team loses. But one country’s economic growth does not subtract from another’s. Second, America’s ability to innovate and raise productivity remains reasonably healthy. The problem is that the benefits of that innovation and productivity have become so narrowly concentrated that workers’ median wages have stagnated.
Towards the end of the last decade American productivity began to slump, a sign to some that the pay-off from new information technology had largely been exhausted. But coming out of the recession productivity surged; it rose by 3.9% last year, the fastest rate since 2002. This was largely cyclical, since business output has recovered more quickly than hiring. Long-term productivity growth will be more modest, and its rate will depend on investment, human capital and innovation.
After collapsing during the recession, investment in business equipment has bounced back, rising 17% in the last quarter of 2010 from the figure a year earlier. Human capital is more of a challenge. Americans once led the world in educational attainment, but this is now barely rising while other countries have caught up (see article). That is a key reason why Dale Jorgenson, an economist at Harvard University, reckons overall productivity growth will average 1.5% in the coming decade, down from 2% in the previous two.
Innovation is what preoccupies Mr Obama. He worries that the next breakthroughs in energy, transport and information technology will occur elsewhere. His advisers fret that federal research and development has fallen sharply since the Sputnik era. But the picture is more encouraging once private R&D is included. In 2008, the most recent year for which data are available, total R&D was 2.8% of GDP, near the top of its historical range (see chart). American patent applications tailed off during the recession, but only after doubling in the decade before.
Rob Atkinson, president of the Information Technology and Innovation Foundation, a think-tank backed by the technology industry, acknowledges that America starts from an impressive level, but says other countries are catching up as their growth in R&D and the number of their scientists and engineers gradually approaches, or overtakes, America’s. China has doubled the share of its GDP devoted to R&D, although it remains below America’s. In 2000 Americans filed six times as many patent applications as Chinese residents did. By 2009, however, China had surpassed the American total.
American companies have begun to build more R&D facilities in emerging countries, both in response to local government pressure and to be closer to customers. General Electric, which already has research centres in China, India and Germany, announced last year that it would put one in Brazil. This, it says, has not come at America’s expense: GE plans to add two more research centres in the United States to the one it runs in upstate New York. Mark Little, the head of GE Global Research, the company’s in-house research division, says putting scientists and researchers into other countries enables GE to come up with products it would not have thought of before. For rural Chinese hospitals, more used to doing things manually than in America and Europe, GE designed less-automated MRI machines.
Adam Segal, author of “Advantage: How American Innovation can Overcome the Asian Challenge”, says Asia’s threat to American technological leadership is overstated. China’s research output is soaring, but much of it is poor-quality or based on plagiarism. Chinese companies are seizing market share in solar panels and wind turbines largely because of low manufacturing wages, says Mr Segal: “They have made no major breakthroughs in any of the underlying technologies.” R&D spending in India is minuscule.
The real problem for America is not its innovative capacity, but the fact that its benefits go to relatively few. This is illustrated by a recent paper by Michael Spence and Sandile Hlatshwayo, both of New York University. They divided jobs among tradable and non-tradable sectors. Tradable sectors include manufacturing, commodities and services such as finance and engineering that compete globally. Value-added per person, a proxy for productivity, rose sharply in this sector, but the number of jobs actually declined between 2000 and 2008. The opposite was true in the non-tradable services such as government and health care. There real value-added rose only sluggishly, but employment expanded significantly. Behind this, says Mr Spence, is the trend of American multinationals to keep the highest value-added activities at home while shifting lower value-added activities, such as manufacturing, abroad.
Qualcomm, a developer of mobile-phone chips and technology based in San Diego, earns roughly 40% of its revenue from licensing and royalty fees for technology developed primarily in America, where three-quarters of its employees work. Last year it spent $2.5 billion, or roughly 20% of revenue, on R&D for such projects as developing Mirasol, an easy-to-read, energy-efficient phone display. Paul Jacobs, the company’s boss, complains about high corporate-tax rates and the difficulty of getting immigrant visas for foreign-born engineers and scientists, but maintains that America is not about to be superseded as a centre for innovation. In California Qualcomm has access to the best college graduates and a pool of ideas and recruits generated by a nexus of established and start-up companies.
But Qualcomm has done no manufacturing of its own since selling its last handset plant in 2000. Although Mirasol was developed in America, the displays will be made in Taiwan, which has the skills, the suppliers and the economies of scale.
These findings present a dilemma for America’s policymakers. Raising federal R&D spending and easing immigration for foreign-born PhDs would boost innovation and company successes, but would not produce many jobs. Mr Spence and Mr Atkinson would like to see government incentives aimed at strategic manufacturing sectors. But such policies have a poor track record. And in any case Congress is in no mood to pay for them, no matter what Mr Obama says.
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