Image credit: David Goehring (CC-BY)Welcome to the April issue of the Technology Innovation Management Review. We welcome your comments on the articles in this issue as well as suggestions for future article topics and issue themes.PDF: Download this issueIn This Issue:Editorial: Action Research (April 2019)Chris McPhee, Magnus Hoppe, Erik LindhultNavigating Boundaries in Additive Manufacturing through Action ResearchKatharina Ruckstuhl, Rafaela C. C. Rabello, Sally DavenportUsing Action Research to Organize Technology Transfer in Complex Innovation ContextsArmando Machevo Ussivane, Paul EllwoodBridging Participatory Policy Trends and Research Traditions through Social InnovationMalin Lindberg, Daniel Hallencreutz, Anna TengqvistIncreasing the Impact of Industry–Academia Collaboration through Co-ProductionAnna Sannö, Anna Ericson Öberg, Erik Flores-Garcia, Mats JacksonA Discipline-Spanning Overview of Action Research and Its Implications for Technology and Innovation ManagementMatthias Guertler, Nathalie Sick, Anton KrizChoosing an Outlet for Action Research: Publication Patterns in Innovation JournalsMagnus Hoppe Index Editorial: Action Research (April 2019) ›