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In this project, we analyzed whether mobile phone-based surveys are a feasible and cost-effective approach for … + /- 5 to 7 percent, while Zimbabwe's estimates were more precise (sampling error of + /- 2.8 percent). Surveys performed …
Persistent link: https://www.econbiz.de/10013020368
In this project, we analyzed whether mobile phone-based surveys are a feasible and cost-effective approach for … /- 5 to 7 percent, while Zimbabwe’s estimates were more precise (sampling error of /- 2.8 percent). Surveys performed …
Persistent link: https://www.econbiz.de/10014136203