<b>Letters:</b> Driver of growth

One of the major drivers of productivity is advancement in science and technology

With reference to “Why Trump can’t make it 1981 again” by Ruchir Sharma (January 16), in his excellent book, “The Rise and Fall of Nations”, Sharma has provided 10 rules for assessing the growth potential of a nation. Now, he seems to be focusing on just one rule — “population growth”. Referring to the population and productivity formula, Sharma writes in the book: “But productivity is hard to measure, and the results are subject to constant revision and debate. On the other hand, the number of hours people work reflects growth in the workforce, which is driven by population growth,