books.google.co.uk - Advanced economies have experienced a tremendous increase in material well- beingsince the industrial revolution. Modern innovations such as personal computers, laser surgery, jetairplanes, and satellite communication have made us rich and transformed the way we live and work.But technological change...http://books.google.co.uk/books/about/Endogenous_growth_theory.html?id=tLuqjIVJUcoC&q=profits&utm_source=gb-gplus-shareEndogenous growth theory