books.google.co.uk - "Aghion and Howitt is a real breakthrough in growth economics. This book has profound implications and should be read by anyone who is serious about studying economic growth" -- Nicholas Crafts, Department of Economic History, London School of Economics and Political Science Advanced economies have experienced...http://books.google.co.uk/books/about/Endogenous_growth_theory.html?id=tLuqjIVJUcoC&q=intermediate+inputs&utm_source=gb-gplus-shareEndogenous growth theory