Gonzalo Castañeda is a Mexican economist who holds a PhD from Cornell University and two BAs from the Mexican Autonomous Institute of Technology (ITAM). He currently works at the prestigious Centre for the Research and Teaching of Economics (CIDE) in Mexico City and is a member of the National System of Researchers (SNI, level III). He has been a visiting scholar in several universities and research centres in the United States and Europe: George Mason University (Virginia, USA), The Alan Turing Institute (London, UK), Sapienza University of Rome (Italy), International Institute for Applied System Analysis (Austria), University of Salamanca (Spain), and the Autonomous University of Barcelona (Spain). Dr Castañeda has been studying social complexity for more than 15 years. During this time, he has delivered various courses on the topic at graduate and undergraduate levels, leading to the creation of this book. His research has been conducted in different approaches of economic thinking including neoclassical, structural, institutional, and evolutionary.