%0 Journal Article %T A Psychological Contract Perspective on Project Networks %A Matti A. Kaulio %J Project Management Journal %@ 1938-9507 %D 2018 %R 10.1177/8756972818781713 %X A current challenge for project network scholars is to explain ˇ°how history mattersˇ±; in other words, how past experiences of collaboration between actors in a project network are transformed into an (informal) organizational format that is replicable in future collaborations. How are project networks formed in the first place? By examining a collaboration under formation between two organizations, this article proposes that project networks can be conceptualized as psychological contracts. In this formation process, critical incidents play a key role as they define ˇ°itemsˇ± in the psychological contract; in project network terms, these items define routines for collaboration %K critical incident %K interorganizational project %K project network %K psychological contract %U https://journals.sagepub.com/doi/full/10.1177/8756972818781713