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Wrote: "Today, even the most ardent free-market proponents in Britain or other rich countries would not think of bringing child labour back as part of the market liberalization package that they so want. However, until the late nineteenth or the early twentieth century, when the first serious child labour regulations were introduced in Europe and North America, many respectable people judged child labour regulation to be against the principles of the free market."
Who is Ho-Joon Chang?