author = { Muralidharan, Karthik National Bureau of Economic Research Niehaus, Paul AND Sukhtankar, Sandip AND Weaver, Jeffrey },

title = { Improving Last-Mile Service Delivery using Phone-Based Monitoring },

publisher = {National Bureau of Economic Research},

year = {2018},

booktitle = {NBER working paper series ; no. w25298},

address = { Cambridge, Mass },

url = { http://slubdd.de/katalog?TN_libero_mab2 }