Physics 4 Economics 3 Complexity 2 Computational complexity 2 Data-driven Science, Modeling and Theory Building 2 Economic Theory/Quantitative Economics/Mathematical Methods 2 Econophysics 2 Game Theory, Economics, Social and Behav. Sciences 2 Game theory 2 Socio- and Econophysics, Population and Evolutionary Models 2 Sociophysics 2 Applications of Graph Theory and Complex Networks 1 Behavioral/Experimental Economics 1 Complex Systems 1 Psychological aspects 1 Quantum Information Technology, Spintronics 1 Quantum computers 1 Spintronics 1 Statistics 1 Statistics for Engineering, Physics, Computer Science, Chemistry and Earth Sciences 1 System theory 1 Theoretical, Mathematical and Computational Physics 1