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Table 8 Computing Decomposable Theil ‘T’: An Example

From: Shortage and inequalities in the distribution of specialists across community health centres in Uttar Pradesh, 2002–2012

CHC S.N.

District

# of specialists (yi)

Share of specialists (si)

Average # of specialists in district (\( {\overline{y}}_i\Big) \)

\( \frac{{\overline{y}}_i}{\overline{y}} \)

\( \ln \left(\frac{{\overline{y}}_i}{\overline{y}}\right) \)

Between-district inequality values for districts \( {s}_i\ln \left(\frac{{\overline{y}}_i}{\overline{y}}\right) \)

\( \frac{y_i}{{\overline{y}}_i} \)

\( \ln \left(\frac{y_i}{{\overline{y}}_i}\right) \)

\( \frac{y_i}{{\overline{y}}_i}\ln \left(\frac{y_i}{{\overline{y}}_i}\right) \)

District Theil T Ti

Within-district inequality value for districts siTi

1

South

3

     

0.68

−0.38

−0.26

  

2

South

4

     

0.91

−0.10

−0.09

  

3

South

5

     

1.14

0.13

0.15

  

4

South

6

     

1.36

0.31

0.42

  

5

South

4

     

0.91

−0.10

−0.09

  
 

Total South

22

0.36 (22/61)

4.4 (22/5)

1.15

0.14

0.05

  

\( \sum \limits_{i=1}^N\frac{y_i}{{\overline{y}}_i}\ln \left(\frac{y_i}{{\overline{y}}_i}\right)= \)0.13

0.03

0.01

6

North

3

     

1.25

0.22

0.28

  

7

North

1

     

0.42

−0.88

−0.36

  

8

North

2

     

0.83

−0.18

− 0.15

  

9

North

1

     

0.42

−0.88

−0.36

  

10

North

5

     

2.08

0.73

1.53

  
 

Total North

12

0.20 (12/61)

2.4 (12/5)

0.63

−0.46

−0.09

  

\( \sum \limits_{i=1}^N\frac{y_i}{{\overline{y}}_i}\ln \left(\frac{y_i}{{\overline{y}}_i}\right)= \)0.93

0.19

0.04

11

West

3

     

0.67

−0.41

−0.27

  

12

West

5

     

1.11

0.11

0.12

  

13

West

2

     

0.44

−0.81

−0.36

  

14

West

7

     

1.56

0.44

0.69

  

15

West

9

     

2.00

0.69

1.39

  

16

West

1

     

0.22

−1.50

−0.33

  
 

Total West

27

0.44(27/61)

4.5 (27/6)

1.18

0.17

0.07

  

1.23

0.20

0.09

 

Total All CHCs

61

          

Average number of specialist per CHC in the province

3.81 \( \Big(\overline{y} \))

Overall between-district inequality \( \sum \limits_{i=0}^m{s}_i\ln \left(\frac{{\overline{y}}_i}{\overline{y}}\right) \) 0.03

Overall within-district inequality \( \sum \limits_{i=0}^m{s}_i{T}_i \) 0.14

Overall Theil T \( \sum \limits_{i=0}^m{s}_i{T}_i+\sum \limits_{i=0}^m{s}_i\ln \left(\frac{{\overline{y}}_i}{\overline{y}}\right) \) 0.17