Sierra Leone has made significant strides to rebuild its public infrastructure after the devastating civil war, but the … desperate infrastructure needs remain. At the end of the conflict in 2002, the country was left with virtually no infrastructure …. Redevelopment of public infrastructure was ignited by the mining boom, which started in the late 2000s. Over the period 2008a-18 …

same firm when a better design of the infrastructure helps also to save on operating costs (positive externality … environments where the quality of the infrastructure may be hard to describe in advance, we isolate conditions under which either …