Support for economic reforms has often shown puzzling dynamics: many reforms that began successfully lost public support. This paper shows that learning dynamics can rationalize this paradox because the process of revealing reform outcomes is an example of sampling without replacement. This...

Nigeria's oil boom has not brought an end to perennial stagnation in the non-oil economy. Is this the unavoidable consequence of the resource boom or have misguided policies contributed? This paper indicates that the extreme volatility of expenditure rather than Dutch Disease effects are behind...

In this paper we investigate the relation between tariff changes, terms of trade changes and the equilibrium real exchange rate. For this purpose we use two models of a small open economy: (1) a three goods version of the Ricardo-Viner model; and (2) a three goods model with full intersectoral...

Infrastructure has particular challenges in public procurement, because it is highly complex and customized and often requires economic, political and social considerations from a long time horizon. To deliver public infrastructure services to citizens or taxpayers, there are a series of...

The authors constructed a standard computable general equilibrium (CGE) model to explore the economic impact of increased spending on infrastructure in six African countries: Benin, Cameroon, Mali, Senegal, Tanzania, and Uganda. The basic elements of the model are drawn from EXTER, adjusted to...

Multidimensional auctions are a natural and practical solution when auctioneers pursue more than one objective in their public-private-partnership transactions. However, it is difficult to achieve auction efficiency with multiple award criteria. Using auction data from road and railway...

To utilize public resources efficiently, it is required to take full advantage of competition in public procurement auctions. Joint bidding practices are one of the possible ways of facilitating auction competition. In theory, there are pros and cons. It may enable firms to pool their financial...