Key points are not available for this paper at this time.
Olschewski, R., T. Tscharntke, P. C. Benítez, S. Schwarze, and A. Klein. 2006. Economic evaluation of pollination services comparing coffee landscapes in Ecuador and Indonesia. Ecology and Society 11(1): 7. https://doi.org/10.5751/ES-01629-110107
Olschewski et al. (Sun,) studied this question.