A nice interview of Prof. Robert Solow in McKinsey Quarterly (MQ). The interview celebrates 50 years of both the model and MQ.
The best thing about the interview is that it discusses how Solow model was actually applied to the real industries. What is Solow model? Well it says what matters for growth is not labor or capital but technology. What did the actual evidence show?
The Quarterly: What, if anything, surprised you about the findings of the early MGI studies?
Robert Solow: What came as something completely new to me was that if you looked at the same industry across countries, there were almost always dramatic differences in either labor productivity or total factor productivity. To my surprise, it turned out that most of the time, certainly more often than not, the difference in productivity—in the auto industry or the steel industry or the residential-construction industry in the US and…
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Utopia, you are standing in it! 
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