Page - (000161) - in Evaluating Climate Change Action for Sustainable Development

Furthermore landdevoted touplandricedoesnot requiremuchpreparation.Onthe other handsoybeanandpaddy rice require large amountof inputs andpreparation. They are usually grownon land that is agriculturally fertile and productive. They areusually cultivatedon fertile andflat river beds and inwatershed areas, and this Table8.6 Linear randomeffects regression results for landdevoted toagriculture, forest reserve Villages,ChiangMai (1986–1996) Dep. variable: village agricultural area Coefficient Std. dev Z P>Z Year 15.35** 3.15 4.87 0 Areadevoted to paddy rice 0.46** 0.06 7.8 0 Areadevoted to upland rice 0.21* 0.09 2.36 0.018 Areadevoted to soybean 0.19þ 0.11 1.69 0.091 Constant 641.17* 294.84 2.17 0.03 Sigma-u 1054.16 Sigma-e 375.89 Rho 0.89 Observations 1979 R-squarewithin 0.042 Groups 622 R-square between 0.054 R-square overall 0.056 Gaussianwald statistic (chi2, 4df) 85.5 Prob>Chi2 0 Source:Data providedbyThammasatUniversity, Thailand **denotes significance at the1%level; * at the5%level, andþ at the10%level Table 8.7 Random effects interval regression results for intensity of cultivation, forest reserve Villages,ChiangMai (1986–1996) Dep. variable: intensity of cultivation Coefficient Std. error Z P> z Year 0.0379 0.125 0.3 0.762 Areadevoted to soybean 0.01399** 0.0037 3.76 0 Areadevoted to upland rice 0.0011 0.0034 0.33 0.738 Areadevoted to paddy rice 0.0037* 0.0019 1.95 0.051 Constant 63.314** 11.5450 5.48 0 Sigma-u 14.0611 0.6781 20.74 0 Sigma-e 16.392 0.3547 46.21 0 Rho 0.4239 0.0273 0.3712 0.478 Observations 2174 Groups 629 Gaussianwald statistic (chi2, 4 df) 20.03 Prob>Chi2 0.0005 Source:Data providedbyThammasatUniversity, Thailand **denotes significance at the1%level; * at the5%level, andþ at the10%level 8 UsingMixedMethods toAssessTrade-OffsBetweenAgriculturalDecisions. . . 145