powered by
dwds evaluated \(\frac{dw}{ds}\) in the reef-fishy example of GOM dataset (Fenichel and Abbott, 2014).
dwds
dwds(s,Z)
stock
parameter vector
The first derivative of w with respect to s
This function is adopted in GOM dataset.
GOM
Fenichel, Eli P. and Joshua K. Abbott. (2014) "Natural Capital: From Metaphor to Measurement." Journal of the Association of Environmental Economists. 1(1/2):1-27.