Colocations Co-creation 1 Collaboration 1 Colocation 1 Difference-in-differences 1 Geographic proximity 1 Human resource management 1 Idea recombination 1 Instrumental variables 1 Laboratories 1 Low-opportunity cost time 1 Management 1 Managers 1 Microgeography 1 Operations research 1 Opportunity costs 1 Organizational boundaries 1 Search costs 1 conferences 1 distant ties 1 knowledge co-creation 1 temporary colocation 1