Table IV.

Maximum likelihood estimates of the sample selection model for the log of goat and sheep, 2006

Regressorsln(goat)ln(sheep)
Family DFamily ABCNon-familyFamily DFamily ABCNon-family
Intercept1.442*** (0.200)3.629*** (0.210)3.193*** (0.441)2.299*** (0.165)3.482*** (0.151)2.548*** (0.292)
ln(anatpast)0.047*** (0.003)0.049*** (0.002)0.057*** (0.005)0.027*** (0.002)0.028*** (0.002)0.042*** (0.003)
ln(adegpast)0.046*** (0.006)0.037*** (0.005)0.026** (0.008)0.043*** (0.004)0.021*** (0.003)0.024*** (0.005)
ln(andegpast)0.059*** (0.004)0.046*** (0.003)0.057*** (0.005)0.053*** (0.002)0.047*** (0.002)0.059*** (0.003)
ln(aforage)0.018*** (0.004)0.023*** (0.004)0.029*** (0.006)0.021*** (0.003)0.019*** (0.003)0.035*** (0.004)
ln(aforest)0.034*** (0.003)0.029*** (0.002)0.044*** (0.004)0.044*** (0.002)0.035*** (0.002)0.040*** (0.003)
lf−0.033*** (0.003)−0.030*** (0.003)−0.002(0.007)−0.026*** (0.002)−0.016*** (0.002)0.015** (0.004)
Female−0.198*** (0.014)−0.271*** (0.014)−0.317*** (0.040)−0.184*** (0.011)−0.245*** (0.010)−0.241*** (0.027)
Age0.011*** (0.000)0.006*** (0.000)0.009*** (0.001)0.010*** (0.000)0.006*** (0.000)0.007*** (0.000)
School100.173*** (0.010)0.209*** (0.011)0.172*** (0.025)0.153*** (0.008)0.158*** (0.007)0.147*** (0.017)
School110.283*** (0.023)0.395*** (0.028)0.252*** (0.045)0.307*** (0.018)0.302*** (0.019)0.227*** (0.029)
School230.382*** (0.026)0.478*** (0.030)0.437*** (0.036)0.355*** (0.019)0.400*** (0.019)0.388*** (0.024)
Coop0.022 (0.039)0.072* (0.035)0.007 (0.052)0.078** (0.029)0.063** (0.022)0.040 (0.033)
Atraction−0.043*** (0.010)−0.067*** (0.011)−0.080** (0.023)−0.114*** (0.008)−0.119*** (0.007)−0.090*** (0.015)
Mtraction0.176*** (0.013)0.169*** (0.012)0.095** (0.025)0.081*** (0.009)0.080*** (0.007)0.128*** (0.015)
Guidance0.048** (0.017)0.053** (0.016)0.057* (0.028)0.067*** (0.013)0.028** (0.010)0.079*** (0.018)
Fertilizep−0.089** (0.033)−0.046 (0.029)0.001 (0.044)0.032 (0.026)0.048* (0.020)−0.047+ (0.028)
Integration0.009 (0.022)−0.039+ (0.021)−0.103* (0.042)−0.045** (0.015)−0.032* (0.013)−0.079** (0.026)
Rest−0.001 (0.016)−0.016 (0.015)−0.063+ (0.032)−0.013 (0.012)−0.028** (0.010)−0.049* (0.020)
Rotation−0.042** (0.016)−0.043** (0.014)−0.019 (0.027)−0.043*** (0.010)−0.035*** (0.008)−0.012 (0.016)
Diseasec−0.083*** (0.013)−0.067*** (0.014)−0.051 (0.043)−0.131*** (0.012)−0.109*** (0.012)−0.117** (0.031)
Well0.038** (0.012)0.024* (0.011)0.112*** (0.025)0.003 (0.009)0.001 (0.008)0.089*** (0.017)
Weir0.087*** (0.015)0.080*** (0.013)0.275*** (0.026)0.063*** (0.011)0.067*** (0.009)0.163*** (0.017)
Cistern−0.120*** (0.011)−0.086*** (0.011)−0.098** (0.026)−0.127*** (0.008)−0.084*** (0.008)−0.092*** (0.016)
Specialized0.191*** (0.012)0.112*** (0.012)0.209*** (0.028)0.099*** (0.009)0.046*** (0.008)0.167*** (0.017)
Integrated0.234*** (0.011)0.259*** (0.011)0.340*** (0.023)0.157*** (0.008)0.192*** (0.007)0.269*** (0.016)
Credit0.018 (0.013)−0.066*** (0.013)−0.168*** (0.032)0.000 (0.009)−0.034*** (0.009)−0.139*** (0.020)
Avgtemp0.036*** (0.004)0.004 (0.004)−0.031** (0.009)0.032*** (0.004)0.006+ (0.003)0.016* (0.007)
Precip0.006*** (0.001)−0.004* (0.002)0.000 (0.003)−0.002+ (0.001)−0.010*** (0.001)−0.005* (0.002)
Precip2−4.E-5*** (0.000)−8.E-6 (0.000)−4.E-5* (0.000)−2.E-6 (0.000)2.E-5** (0.000)7.E-6 (0.000)
Regionyesyesyesyesyesyes
σ1.174***1.253***1.353***1.005***1.035***1.115***
ρ−0.709***−0.696***−0.579***−0.664***−0.660***−0.555***
n343,689330,23184,770343,689330,23184,770
Log likelihood−178,801−184,868−53,547−215,380−246,090−73,097

Notes:

Standard errors between parentheses;

***Significant at 0.1%;

**Significant at 1%;

*Significant at 5%; +Significant at 10%

Source: Devised using microdata of the Agricultural Census 2006
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