Analyse principles of macroeconomics” by John B. Taylor and Akila Weerapana

After reading the book “principles of macroeconomics” by John B. Taylor and Akila Weerapana, post answers for following discussion questions: Q1. Post commentary, observations, questions & anecdotes for this question: Why is the price elasticity of demand lower in the short run than in the long run? Q2. Post commentary, observations, questions & anecdotes for this question: What are the primary determinants of economic growth? Q3. Post commentary, observations, questions & anecdotes for this question: Why are increases in nominal GDP not a good measure of economic growth? Q4. Post commentary, observations, questions & anecdotes for this question: Why isn’t the unemployment rate equal to zero? Q5. Post commentary, observations, questions & anecdotes for this question: What is the essential difference between economic growth in the last 200 years and in the 2,000 years before that? Q6. Post commentary, observations, questions & anecdotes for this question: What are the differences between the medium of exchange, store of value, and unit of account roles of money?