Table 1.
Measurement details of input–output indicators of farm household business efficiency (all the following indicators are in logarithmic size).
| Type of indicator | Indicator | Definition of indicators | |
|---|---|---|---|
| Inputs | Land input | Forestland investment (acres) | Area of family forestland management (including family-contracted forestland and transferred forestland) |
| Labor input | Number of foresters (persons) | Total household labor minus number of permanent household migrant workers | |
| Household self-invested labor expenditures (in Yuan) | Opportunity cost of labor devoted to forestry management in households | ||
| Family self-referred labor time (days/person) | Labor time devoted to forestry in households | ||
| Expenditure on hired labor (in Yuan) | Total household expenditure on hired labor | ||
| Hired labor time (days/person) | Time spent working in the household‘s hired labor | ||
| Care time (days/person) | Time invested by households in current forestland management | ||
| Cash input | Total family forestry expenditure (In Yuan) | Total current household expenditures on forestry management | |
| Outputs | Total household income from forestry (In Yuan) | Gross income from current household forestry management | |