“…many applications in the literature, including providing levees (Hirshleifer, 1983), securing alliance perimeters (Murdoch, 1995), dredging successive stretches of a navigation channel (Harrison & Hirshleifer, 1989), eradicating disease (Arce & Sandler, 2002), producing goods via an assembly line (Brandts & Cooper, 2006), coauthoring reports (Brandts, Cooper, Fatas, & Qi, 2013), and combatting terrorism (Sandler, 2003). While many authors have studied such "weakest-link" models of public goods, we suppose players differ in their abilities to contribute toward the public good, and we model this through private cost parameters.…”