# Table <u>6. The Results from the OLS Regression of Water Use Determinants</u>

|Variables||Farm-leve|l reservoir wate|r use (mm)||
|---|---|---|---|---|---|
||(1)<br>Full sample|(2)<br>Full sample<br>(spline<br>regression)|(3)<br>Reservoir<br>water users|(4)<br>Reservoir<br>water users<br>(spline<br>regression)|<br>(5)<br>Reservoir<br>water users|
|Volumetric priceof reservoir water*1000|-1.940*|—|-3.481***|—|—|
||(-1.968)||(-4.026)|||
|Volumetric priceof reservoir water*1000 squared|<br>0.0129*|—|<br>0.0253***|—|—|
||(1.943)||(4.269)|||
|Volumetric price of reservoir water*1000|—|-1.000*|—|-1.870***|—|
|(<threshold value)||(-1.688)||(-3.400)||
|<br>Volumetric price of reservoir water*1000|—|<br>0.839|—|<br>1.635***|—|
|(>=threshold value)||(1.437)||(3.688)||
|<br>Volumetric pricing & no change<sup>a</sup>|—|<br>—|—|<br>—|-117.7***<br>(-3.323)|
|Manager appointment<sup>a</sup>|—|—|—|—|<br>-126.9***|
||||||(-4.065)|
|New smaller group<sup>a</sup>|—|——|—|—|<br>-146.1***<br>(-4086)|
|Group size|||||.|
|<br>No. of parcels|-0.283*|-0.301*|-0.462**|-0.496***|-0.316*|
||(-1.683)|(-1.734)|(-2.593)|(-2.693)|(-1.779)|
|Homogeneity||||||
|<br>Gini coefficient of parcel size|29.74|26.04|149.5***|136.8***|136.9***|
||(0.442)|(0.389)|(3.097)|(2.755)|(2.843)|
|Infrastructure condition||||||
|Simplicity of water flow direction|-124.7|-133.0|-213.1|-224.0|-302.5*|
||(-1.027)|(-1.061)|(-1.132)|(-1.088)|(-1.712)|
|Earth canal length|11.91***|12.25***|18.54***|19.12***|16.60***|
||<br>(2.883)|(2.837)|(4.219)|<br>(4.199)|(3.723)|
|Exit options||||||
|<br>No. of ponds per member (pre-reform)|-54.34***|-53.91***|-93.77***|-89.10***|-100.6***|
||(-3.788)|(-3.898)|(-3.568)|(-3.379)|(-3.858)|
|No. of pumps per member (pre-reform)|<br>-14.07<br>|<br>-16.23<br>|<br>-0.191<br>|<br>-5.502<br>|<br>6.118<br>|
||(-0.733)|(-0.853)|(-0.0112)|(-0.320)|(0.309)|
|Surrounding parcel characteristics||||||
|<br>No. of surrounding parcels|-58.08*|-59.80*|-69.37|-75.62*|-62.05|
||(-1.689)|(-1.705)|(-1.576)|(-1.702)|(-1.481)|
|No. of surrounding parcels squared|11.62*|11.97*|12.96|14.06|11.68|
||(1.682)|(1.689)|(1.490)|(1.588)|(1.412)|
|Years knowing owners of surrounding parcels|<br>0.914|<br>0.954|<br>1.104|<br>1.246|<br>0.617|
||(1124)|(1152)|(1218)|(1390)|(0741)|
|Proportion of surrounding parcels whose owners|.<br>-28.41*|.<br>-27.26*|.<br>-43.53**|.<br>-42.01**|.<br>-44.50**|
|<br>send their children to the same school|(-1.791)|(-1.688)|(-2.379)|(-2.250)|(-2.360)|
|Management skill and water demand||||||
|<br>Average schooling years of working members|-0.103|-0.313|8.171|8.359|8.531*|
||(-0.0236)|(-0.0716)|(1.646)|(1.648)|(1.846)|
|Parcel size of paddy|<br>35.01|<br>35.56|<br>201.4*|<br>183.3|<br>154.9|
||<br>(0.338)|<br>(0.343)|<br>(1.835)|<br>(1.623)|<br>(1.420)|
|Sandy/high seepage soil dummy|-2484|-2661|5217|5555|4154|
||.<br>(-0.695)|.<br>(-0.738)|.<br>(0.744)|.<br>(0.764)|.<br>(0.572)|
|Constant|<br>2420***|<br>2389***|<br>2376**|<br>2389**|<br>2783***|
||.<br>(2.811)|.<br>(2.803)|.<br>(2.599)|.<br>(2.659)|.<br>(2.863)|
|Threshold value: the price level that gives the min||||||
|<br>value of the dependent variable|0.075|—|0.068|—|—|
|Observations|135|135|84|84|84|
|R-squared|0.241|0.230|0.443|0.423|0.465|

_Note_ : WUG-level cluster robust _t_ -statistics are in parentheses. *** p<0.01, ** p<0.05, * p<0.1. a) Base category: area-based pricing and no change.

_Source:_ Authors’ analysis based on data sources discussed in the text.

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