1. "Price setting behaviour and Competition in developing countries: An analysis of retail outlets in Lesotho" (with L. Edwards and A. Sundaram)
2. "Border effects, monetary unions and product market integration: the case of Botswana, Lesotho and South Africa" (with L. Edwards and N. Rankin)
3. "State-dependent pricing in Lesotho: analysis from consumer retail prices" (with L. Edwards and N. Rankin)