Apple Inc. is the largest technology company in the world, in terms of both revenue and profit. Yet, the California-based company has just 47,000 workers on its payroll in the United States. Apple recently released a report in which it claimed responsibility for “indirectly” creating an additional 257,000 American jobs in industries that are part of its supply chain, a claim that was “disreputable,” in the words of MIT labor economist David Autor – as if Apple’s suppliers did not have any other customers. Or, as Wharton labor economist Peter Cappelli noted, as if the consumers spending their money on an iPad would not have purchased another product in its absence (see a New York Times article on debates over the report here, including comments from Autor and Cappelli).

While Apple’s claim to have created jobs for UPS and FedEx employees is questionable, however, there is some truth to the argument that Apple is responsible for the employment – and working conditions – at its key suppliers, particularly manufacturers for which Apple is the main customer. This may be the case for some Corning employees in the US (supplying glass for iPhones) and is very likely the case for, tens, perhaps hundreds of thousands of employees at Foxconn in China, which presumably has entire lines or buildings dedicated to Apple.

A recent report by political economist and accountant Karel Williams and his research team at the Centre for Research on Socio-Cultural Change at the University of Manchester looked at the Apple Business Model and its employment effects. They cite a study which found that Chinese workers add $6.50 in value to each iPhone 3, just 3.6% of the phone’s shipping price.

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