Basic types

Middle types

Broader types

Macneil’s (1980)

Discrete transactions VS relational exchanges

Mudambi and Helper (1998)

Close but adversarial’ relationship

Webster (1992)

Discrete transactions, repeated transactions, long-term relationships, buyer-seller partnerships, joint ventures/strategic alliances, network organisations, and vertical integration

Helper and Sako (1995)

Exit relationship/adversarial and voice relationship/ collaborative

Dyer et al. (1998)

Durable arm’s length relationship

Lejeune and Yakova (2005)

Communicative, coordinated, collaborative, and competitive relationships