Konieczny, Jerzy D.; Rumler, Fabio - 2006 - Rev. Dec 13/06
problematic in others. For
example, the average unit delivery cost is likely to be lower when the firm prearranges
delivery of x …. More formally, the
instantaneous value of the benefits is [ ( ), ( ), ]B x t y t a
, where ( )x t
is a vector of … implies that the benefit function depends on time only indirectly.
We assume that [ ( ), ( ), ]B x t y t a
is twice …