This book explains how Australian and New Zealand economists exerted influence on economic thought and contributed to the economic life of their respective countries in the twentieth century. Besides surveying theorists and innovators, this book also considers some of the key expositors and builders of the academic economics profession in both countries. The book covers key economic events including the Great Depression, the Second World War the post-war boom and the great inflation that overtook it and, lastly, the economic reform programs that both Australia and New Zealand undertook in the 1980s.