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α: calibrated so average coauthorship-adjusted count equals average raw count
This paper studies the macroeconomic effects of foreign aid taking into account environmental quality. We develop a dynamic equilibrium model in which public investments in both infrastructure and pollution abatement can be co-financed using domestic resources and international aid. We consider untied aid, aid fully tied to either infrastructure or abatement and aid equally tied to both expenditures. We find that when the extent to which agents are affected by environmental problems is taken into account, then, regardless of the chances of substitution between factors, transfers linked to both infrastructure and pollution abatement may be the best welfare-enhancing alternative.