An Economic Assessment of Banana Genetic Improvement and ...

124 CHAPTER 8
Supplementary Tables
Table 8A.1 Labor demand estimates (first stage of the production function estimation)
Overall sample Low elevation High elevation
Variable
Coefficient t-value Coefficient t-value Coefficient t-value
Constant 6.425*** 16.19 6.247*** 12.59 6.808*** 15.62
ln(A) 0.513*** 13.62 0.498*** 10.73 0.36*** 6.48
ln(w/p) –0.397*** –3.93 –0.46*** –3.82 –0.296* –1.7
D –0.009*** –3.94 –0.01*** –3.90 –0.06 –1.24
hhsz 0.027 1.57 0.03 1.37 0.052** 2.52
depr –0.453*** –2.61 –0.58*** –2.64 0.018 0.09
Age –0.005 –0.34 –0.008 –0.40 –0.005 –0.27
Age 2 0.0001 0.72 0.0002 0.92 0.0001 0.43
hplot 0.264*** 2.8 0.314*** 2.68 0.164 1.32
edhh 0.025** 2.51 0.034*** 2.79 0.009 0.83
plotage 0.025*** 4.52 0.018* 1.78 0.009 1.46
plotage 2 –0.0002*** –3.2 –0.0002 –1.38 –0.0001 –1.53
Sigatoka –4.22*** –2.68 –0.331* –1.88 –0.578 –0.96
weevils –0.005 –0.04 0.266* 1.74 –0.261* –1.85
Adjusted R 2 0.482 0.404 0.408
Notes: ***, **, and * indicate statistical significance at the 1, 5, and 10 percent levels. See Table 8.1 for
definitions of the variables.