“…Seminal contributions include Cain and Rotella (2001), on water and sewerage infrastructure by major city; Condran and Cheney (1982), on mortality changes within Philadelphia; Condran and Crimmins-Gardner (1978), demonstrating the importance of public works in the decrease of waterborne diseases; Ferrie and Troesken (2008), on clean water and a general decline of nonwaterborne diseases; and Meeker (1972), a pioneering piece on waterborne disease and river spillovers. See also Beach, Ferrie, Saavedra and Troesken (2016), on long-run payoffs to water purification; Galiani, Gertler and Schargrodsky (2005), on privatization of water services in Argentina; and Troesken (2001Troesken ( , 2002 on race-specific typhoid mortality and water provision. How cities began to clean up their acts in the early twentieth century is told in part by Cutler and Miller (2006), which emphasizes the growth of financial markets.…”