Renowned trade theorist Koji Shimomura passed away in February 2007 at the age of 54. He published nearly 100 articles in international academic journals. The loss of this extremely productive economist has been an enormous shock to the economic profession. This volume has emerged from the great desire on the part of the profession to honor his contributions to economic research. Contributors include authoritative figures in trade theory such as Murray Kemp, Ronald Jones, Henry Wan, and Wilfred Ethier, world-renowned macroeconomists such as Stephen Turnovski and Costas Azariadis, and leading Japanese economists such as Kazuo Nishimura, Makoto Yano, Ryuzo Sato, and Koichi Hamada. This broad range of contributors reflects Koji Shimomura many connections as well as the respect he earned in the economic profession. This volume offers the reader a rare opportunity to learn the views of so many renowned economists from different schools of thought.