The Economy as a Complex Spatial System : Macro Meso and Micro Perspectives This book is open access under a CC BY NC 4.0 license. This collected volume represents the final outcome of the COST Action IS1104 The EU in the new complex geography of economic systems: models tools and policy evaluation . Visualizing the EU as a complex and multi layered network the book is organized in three parts each of them dealing with a different level of analysis: At the macro level Part I considers the interactions within large economic systems (regions or countries) involving trade workers migration and other factor movements. At the meso level Part II discusses interactions within specific but wide ranging markets with a focus on financial markets and banking systems. Lastly at the micro level Part III explores the decision making of single firms especially in the context of location decisions