Research Article

An Analysis of the Long-Term Sustainability of the Large Companies Included in the Original Standard and Poor’s 500 Index

Table 4

Calibration of the variables and identification of the sets.

VariableName of the setNot fully membershipCrossing pointFull membership

EffectivenessE0.20, 651
OrganisationA0.20, 651
CoherenceU0.20, 651
FormalisationF0.20, 71
CompetitivenessT−1.10, 051.5
DynamismD−0.640, 051
Improvements in effectivenessEE−0.100.1
Improvements in organisationAA−0.100.1
Improvements in coherenceAA−0.100.1