Table 1.
Database search protocol for PES studies included in study sample.
Fig 1.
PRISMA flowchart for the identification and selection of PES schemes included in the study.
Fig 2.
Location of PES schemes analysed.
Table 2.
Descriptive statistics for our main variables.
Fig 3.
Box plot showing the distribution—median, interquartile range (box), upper and lower values below 1.5 interquartile range and outliers, of total cash payments and PES area size in a logarithmic (base 10) scale by ES targeted (sub-Figs A and B) and economic sector (C and D).
In parenthesis are number of observation for each category.
Fig 4.
Categorical principal component analysis of main PES design types (see also S2 Table).
Triangles refer to public PES, circles to private. G1, G2, G3 refer to PES schemes belonging to cluster groupings 1, 2, and 3, respectively.
Table 3.
Binary logistic regression model predicting the degree of PES environmental additionality.