TABLE 4

Parameter Estimates

Ex Ante Costs (N = 164)Ex Post Costs (N = 150)
CSP ParticipationNon-CSP Transaction CostCSP Transaction CostCSP ParticipationNon-CSP Transaction CostCSP Transaction Cost
Intercept−0.066572.509593.44414−0.085280.04080−0.09490
Years of education0.03210**0.10912***−0.053110.03801**0.003820.07719
Retired farmer−0.061950.57387**0.03959−0.05706−0.177890.40202
Farmer age0.00407−0.04134−0.003030.014270.05756*0.02182
Farmer age squared−0.000100.000190.00004−0.00018−0.00057*−0.00006
Number of operators0.13504***0.30911**0.41127**0.14103***0.016390.26647
Value of production−0.05902*0.20829**0.14758−0.05182−0.13711*−0.32129***
Total farmland acres0.06294**−0.18720*−0.073830.042030.111190.00958
Proportion of value from livestock0.135870.479450.274450.199850.502291.20442**
Highly erodible land0.09532−0.006430.07648−0.00707−0.15099−0.23659
Soil conservation plan (pre-2004)−0.38222***−0.32882***
Nutrient management plan (pre-2004)0.34959***0.34650***
Pest management plan (pre-2004)0.37289***0.34209*
Heartland−0.02333−0.95602**−0.57820−0.38423−0.95954−1.17600
Northern Crescent0.14147−0.14377−0.60355−0.20036−0.53184−1.43330*
Northern Great Plains−0.25167−0.743510.51689−0.54902*−0.48973−1.15574
Prairie Gateway−0.14231−1.10556**−0.51761−0.36155−1.31104*−1.50346**
Southern Seaboard−0.55724**−1.18525**−0.83039−0.91088***−0.92576−3.10569*
Mississippi Portal−0.17947−0.41117−0.37717−0.42100−0.41475−0.70839
Error standard deviation0.41407***0.66654***1.02300***0.40983***0.48026***0.93222***
Error correlation0.23941−0.53923***0.071870.17639
Log likelihood (LL)−271.15−228.36
−2[LL–LLc]−125.32***−111.38***
  • Note: LLC = LL when model contains only constant terms. CSP, Conservation Stewardship Program.

  • * p < 0.10;

  • ** p < 0.05;

  • *** p < 0.01.