This Companion provides a comprehensive, state-of-the-art overview and critical evaluation of existing conceptualizations and new developments in innovation research. Arguing that innovation research requires inter- and trans-disciplinary explanations and methodological pluralism at various levels, it draws on multiple perspectives of innovation, knowledge and creativity from economics, geography, history, management, political science and sociology. The Companion provides the definitive guide to the field and introduces new approaches, perspectives and developments.The Companion systematically analyzes the challenges, problems and gaps in innovation research. Leading scholars reflect upon and critically assess the fundamental topics of the field, including:* innovation as a concept* innovation and institutions* innovation and creativity* innovation, networking and communities* innovation in permanent spatial settings* innovation in temporary and virtual settings* innovation, entrepreneurship and market making* innovation governance and management.Innovation researchers and students in economics, economic geography, industrial sociology, innovation studies, international business, management and political science will find the Companion to be an essential resource. It will also appeal to practitioners in innovation and policy makers in economic development, public policy and innovation policy.