This mechanism is designed to be the third mechanism in triggering
a change of behavior, succeeding the voluntary mechanism.
After the process is initiated within the community, this mechanism
will use the concept based on evidence that the community
can separate their own organic waste. The reward that the community
will receive after this test depends on the ability to separate
organic waste, as captured by the efficiency of the reward mechanism
(ERM), which was divided into 10 levels ranging from 7 US
dollars to 70 US dollars (Fig. 1). ERM was calculated using Eq. (2) in
the following section.