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Table 5 Sensitivity analysis to distance decay value (α), internal travel distance constant used (X)

From: Drivers of changes in Spanish accessibility for the 1960–2010 period

 

Fixed based indices

\( \Delta \widehat{A_i} \) 60,t

Percentage variation (%)

\( \Delta \widehat{A_i} \) 60,t

\( \Delta \widehat{P{ A}_i} \) 60,t

\( \Delta \widehat{I{ A}_i} \) 60,t

\( \Delta \widehat{P{ A}_i} \) 60,t

\( \Delta \widehat{I{ A}_i} \) 60,t

α = 1

X 0.25

1.76

1.50

1.18

76.24

49.53

17.95

X 0.33

1.78

1.50

1.19

78.10

50.08

18.72

X 0.5

1.79

1.50

1.19

78.59

50.29

18.86

α = 2

X 0.25

1.57

1.41

1.12

57.40

41.43

12.05

X 0.33

1.70

1.45

1.18

70.22

45.45

17.63

X 0.5

1.77

1.48

1.21

77.45

47.55

20.74