Evaluation is generally considered as an important tool to ensure the effective use of development aid, but it is itself subject to distortions. To derive institutional conditions conducive to effective evaluation, we develop a multi-level principal-agent model focusing on the interests of the...

While theoretical models suggest that trade is likely to increase productivity and income levels, the empirical evidence is rather mixed. For some countries, trade has a strong impact on growth, whereas for other countries there is no or even a negative linkage. We examine one likely...