1 23 Mineral Economics Raw Materials Report ISSN 2191-2203 Volume 25 Combined 2-3 Miner Econ (2013) 25:97-106 DOI 10.1007/s13563-012-0022-0 The welfare impact of small-scale mining in the Talensi–Nabdam District of Ghana Mamudu Abunga Akudugu, Edward Salifu Mahama & Eugenia Hannah Atami