Paper directory boosts usefulness of mobile phones, bottom lines, in rural Africa

Cornell University-led research published in The Economic Journal shows that introducing paper business telephone directories—similar to the Yellow Pages—in Tanzania boosted sales revenue by 104% for listed businesses and increased the number of sales and the use of mobile money. Neighboring unlisted businesses also benefited.

May 29, 2025 - 14:32
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Paper directory boosts usefulness of mobile phones, bottom lines, in rural Africa
Cornell University-led research published in The Economic Journal shows that introducing paper business telephone directories—similar to the Yellow Pages—in Tanzania boosted sales revenue by 104% for listed businesses and increased the number of sales and the use of mobile money. Neighboring unlisted businesses also benefited.