It won’t be news to readers of The Spectator that one of the long-term effects of globalisation is the hollowing out of the middle class. In a study of wage growth in ten advanced economies published a few years ago, the Resolution Foundation found that median pay lagged behind growth in GDP, with the gap between the middle class and the highest-paid growing and the gap between them and the lowest-paid shrinking.
The phenomenon is particularly pronounced in the US. There, the top 10 per cent of income earners have seen their share of national income increase since the 2007-08 recession, while the remaining 90 per cent have seen their share fall, with middle-income groups hit the hardest.
This trend was all too apparent in the Austrian ski resort where Caroline and I spent last weekend thanks to the hospitality of a generous friend.

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