This paper examines the issue of compliance monitoring agri-environmental p
olicy when a farmer is risk-neutral and risk-averse. The optimal contract m
odel presented here significantly extends and generalises the results and c
onclusions of Choe and Fraser (1998). In this paper the environmental agenc
y explicitly chooses monitoring accuracy and monitoring costs as well as re
wards for farmers. It is found that, by modelling the environmental agency
as being cost-conscious optimal monitoring accuracy may or may not be highe
r for a risk-averse farmer than for a risk-neutral farmer Essentially, the
environmental agency faces art explicit trade-off between monitoring costs
and incentive payments as a means to ensure the desired behaviour from the
farmer The importance of the results derived are discussed in the context o
f agri-environmental policy design and implementation.