Business modeling 1 Business models 1 Business systems 1 Complementary umwelts 1 Digital ecosystems, business models Ecology theory 1 Ecosystems 1 Innovation ecosystems 1 Natural ecosystem 1 Sales 1 Scarce resources 1 Smartphone app 1 Value creation systems 1 business development 1 ecological theory 1 ecosystem approach 1 environmental economics 1 innovation 1 mHealth 1 numerical model 1 research 1