Table 4. Estimated price elasticities of acreage response for corn field acres by field structural practice,
by conservation program participation.
|
Equation/Variable___________________ |
Model 1 Elasticities |
Model II Elasticities | ||
|
Program |
Program |
Program |
Program | |
|
Corn Field Acres Planted (with): EQ1: No structural practices: a | ||||
|
N Price |
18.3999 |
- 7.7786 |
18.4135 |
- 6.3103 |
|
Ag. Wage |
1.9541 |
- 11.3814 |
2.1480 |
- 10.7745 |
|
Diesel Price |
- 21.0342 |
16.0859 |
- 20.8762 |
14.8753 |
|
EQ2: Only infield structures: a | ||||
|
N Price |
- 10.1628 |
0.4596 |
- 10.4966 |
0.7068 |
|
Ag. Wage |
0.9156 |
1.3311 |
0.9443 |
1.7722 |
|
Diesel Price |
8.6096 |
- 4.5740 |
8.9730 |
- 4.3607 |
|
EQ3: Only perimeter-field structures: a | ||||
|
N Price |
- 2.0661 |
4.5593 |
- 2.2483 |
4.5759 |
|
Ag. Wage |
- 1.7468 |
5.6937 |
- 1.6789 |
6.1035 |
|
Diesel Price |
5.6290 |
- 12.9270 |
5.8602 |
- 12.4448 |
|
EQ4: Both structural practices: a | ||||
|
N Price |
- 0.6777 |
- 3.7806 |
- 0.8330 |
- 3.8823 |
|
Ag. Wage |
0.6212 |
0.9581 |
0.6927 |
1.3518 |
|
Diesel Price |
2.1625 |
0.1886 |
2.3659 |
0.8088 |
a State average per unit prices (2005) for nitrogen ($/lb.), agricultural wage ($/hr.), and diesel ($/gal.) were normalized using
State average 2005 corn price ($/bu.).
Source: 2005 CEAP-ARMS Phase II data (for corn), Economic Research Service, USDA.
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