Credit-Based Payments for Ecosystem Services: Evidence from a Choice Experiment in Ecuador
Matthew Cranford, Susana Mourato
World Development, vol. 64, 2014, p. 503-520.

Community Conservation and a Two-Stage Approach to Payments for Ecosystem Services
Matthew Cranford, Susana Mourato
Ecological Economics, vol. 71, 2011, p. 89-98.