Modeling and measuring natural resource substitutionde Ernst R. Berndt, Barry C. FieldMateriasRohstoffreserveNatuurlijke hulpbronnenMaterialkostenMathematical modelsSubstitute productsMathematisches ModellDuurzame energieConservation of natural resourcesCongresses
PPricing and reimbursement in U.S. pharmaceutical marketsPricing and reimbursement in U.S. pharmaceutical markets
BBrand loyalty, generic entry and price competition in pharmaBrand loyalty, generic entry and price competition in pharmaceuticals in the quarter century after the 1984 Waxman-Hatch legislation
AAdvanced purchase commitments for a malaria vaccineAdvanced purchase commitments for a malaria vaccine
