Descriptive Statistics for Key Variables
| Conceptual Model Component | Empirical Variable | Units | Mean | Std. Dev. | Min. | Max. | Hypothesized Impact on Adoption |
|---|---|---|---|---|---|---|---|
| — | Contract enrollment | (0/1) | 0.38 | 0.49 | 0 | 1 | N/A |
| R | Payment offer | US$/acre/year | 266.7 | 161.8 | 64 | 540 | (+) |
| α *A | Prairie strip land | Acres | 5.11 | 3.87 | 0.5 | 30.3 | (−) |
| E | Perceived yield gains | — | 0.00 | 0.26 | −0.93 | 1.02 | (+) |
| E | Perceived pest management costs | — | 0.00 | 0.48 | −1.95 | 1.66 | (−) |
| E | Perceived farm management costs | — | 0.00 | 0.42 | −1.68 | 1.51 | (−) |
| E | Perceived soil retention | — | 0.00 | 0.62 | −2.37 | 1.16 | (+) |
| E | Perceived weed and pest pressure | — | 0.00 | 0.57 | −2.14 | 1.47 | (−) |
| E | Perceived biodiversity benefit | — | 0.00 | 0.35 | −1.51 | 0.76 | (+) |
| E | Conservation program participant | 0/1 | 0.37 | 0.48 | 0 | 1 | (+) |
| F | Age | Years | 61.2 | 12.0 | 20 1 | 101 4 | (−) |
| F | Education | Categorical | 2.82 | 0.86 | (<high school) 1 | (Bachelor’s or higher) 5 | (+) |
| NFI | Nonfarm work | Categorical | 2.14 | 1.59 | (no days) | (200+ days) | N/A |
| F | Previous prairie strip contact | 0/1 | 0.43 | 0.49 | 0 | 1 | (+) |
| α*A/A’ | Ratio: acreage in largest field to all corn−soybean acreage on farma | Proportion | 0.20 | 0.16 | 0.01 | 1 | N/A |
Note: N = 487. All variables are explanatory variables unless otherwise noted. Signs of expected effects: (+) denotes positive, (−) denotes negative. N/A, not applicable (i.e., no expected effect).
↵a Land-share variable is used for acreage supply projections. N = 442 for this variable only.