Differences in TFP growth among groups of dairy farms in the Netherlands

Figures & data

Table 1 Summary of the data.

Variable	Mean	Std. Dev.	Min	Max
Cow's milk (× €1000)	154.5	89.2	20.1	591.8
Other output (× €1000)	35.1	33.6	2.5	263.6
Capital (× €1000)	253.2	154.5	31.3	1361.1
Materials and services (× €1000)	80.1	44.6	14.0	293.8
Total utilised land (ha)	39.4	22.1	9.6	170.7
Labour (fte)	1.7	0.6	0.7	3.7
Livestock (#)	108.7	61.6	25.2	400.4
Economic size (ESU)	123.0	68.8	22.5	450.3

Figure 1 Regression tree with revenues of milk production per cow (x €1000) as dependent variable and mean size (ESU) of the farms and number of dairy cows per hectare as independent variables.

Table 2 Technical change index for the years 1995-2000.

Years	Small extensive	Small intensive	Large extensive	Large intensive	All farms
	Technical Change
1995	1.000	1.000	1.000	1.000	1.000
1996	0.996	1.013	0.969	0.967	0.967
1997	1.056	1.062	1.016	1.045	1.031
1998	1.077	0.963	0.995	0.987	0.999
1999	1.084	1.052	1.106	1.122	1.113
2000	1.030	1.023	1.054	1.095	1.076
Annual	1.006	1.005	1.011	1.018	1.015

Table 3 Pure efficiency index for the years 1995-2000.

Years	Small extensive	Small intensive	Large extensive	Large intensive	All farms
	Pure Efficiency change
1995	1.000	1.000	1.000	1.000	1.000
1996	0.997	0.988	1.006	1.018	1.003
1997	1.000	0.996	1.013	1.020	1.010
1998	0.987	0.979	1.008	1.014	0.992
1999	1.000	0.992	1.012	1.022	1.015
2000	1.000	0.987	1.010	1.017	1.009
Annual	1.000	0.997	1.002	1.003	1.002

Table 4 Scale efficiency index for the years 1995-2000.

Years	Small extensive	Small intensive	Large extensive	Large intensive	All farms
	Scale Efficiency change
1995	1.000	1.000	1.000	1.000	1.000
1996	1.011	0.996	1.006	1.016	1.025
1997	0.992	1.024	1.011	1.009	1.026
1998	0.984	1.048	0.999	1.000	1.023
1999	1.010	1.019	1.010	0.995	1.008
2000	1.010	1.009	1.007	0.992	1.005
Annual	1.002	1.002	1.001	0.998	1.001

Figure 2 The cumulative TFP growth rate for the farms from the first regression tree, based on the size and the intensity of the farm for the years 1995-2000.