HARVARD UNIVERSITY
The note examines some questions relating to the use of the domestic resource cost (DRC) and the effective rate of protection (ERP) measures for project selection and for evaluating the cost of protection (promotion).
Balassa, Bela; Schydlowsky, D. M. · 1970

Abstract
It is shown that while DRC and ERP give the same results under optimal policies, the choice between them becomes relevant in a nonoptimal situation. Moreover, if nonoptimal policies can be expected to persist during the life of the project, one needs to utilize shadow prices reflecting these policies in preference to first-best shadow prices. The paper finally considers the applicability of ERP and DRC under alternative assumptions.
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USAID DEC