This introduction presents an overview of key concepts discussed in the subsequent chapters of this book. The book intends to be heard or read by lay audiences, and deal with matters of public importance such as inflation and economic growth. It discusses the issues of outstanding importance in a world of rapid change and ought to be the subject of active debate. The book explains the reflections on technological change, was delivered as a presidential address to the Scottish Economic Society. It discusses on Economic Growth in Britain, and very large technical literature on economic growth, both in industrial and pre-industrial countries. The book explains the Government and Innovation, harks back to a theme developed in an important pre-election speech by Harold Wilson in January 1964 when he, too, was addressing an audience in Swansea. The case against floating tends to go with the case for control over international capital movements so that the last two papers go together.