Introduction, 89. — I. The idea of abstract space and economic analysis, 91; distinction between geonomic (banal) space and economic spaces, 92; space defined by a plan, 95; space defined as a field of forces, 95; space defined as a homogeneous aggregate, 96. — II. Some applications of the distinction between the three types of economic space, 97: monetary space, 97; national space, 99; the European economy, 102.