Write a short essay on the economics of ideas; using chapter 4 of “Jones, Charles I. and Dietrich Vollrath (2013).

Write a short essay on the economics of ideas; using chapter 4 of “Jones, Charles I. and Dietrich Vollrath (2013). INTRODUCTION TO ECONOMIC GROWTH, 3rd; New York: W.W. Norton & Company ( JV hereafter)” as a main reference. PLEASE DO NOT TAKE INFORMATION FROM ANYWHERE EXCEPT THE ABOVE MENTION TEXTBOOK.