“…Since electoral and political processes are independent within metropolitan municipalities, party tenure and party fragmentation can limit the incidence of IMC. Metropolitan political fragmentation negatively affects these agreements (Andrew and Hawkins 2013;Carr, Hawkins, and Westberg 2017;Carr, LeRoux, and Shrestha 2009;Feiock 2007;Hawkins 2010). In the absence of institutions safeguarding intertemporal cooperative arrangements, even party alternation increases transaction costs, reducing the levels of mutual trust, credibility, and reputation (Carr, LeRoux, and Shrestha 2009;Feiock 2009, p. 367).…”