The falling price of cement in Africa - Leone, Fabrizio,Macchiavello, Rocco,Reed, Tristan (BREAD, the Bureau for Research and Economic Analysis of Development, 2021)
https://www.ibread.org/working-paper/bread-working-paper-no-589-june-2021/
Keywords: Graue Literatur; Africa; cement; entry; intermediate goods price; market power; oligopoly