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

Table 1

Summary of visited references and representatives works in each focus.

Focus	Representative works
Economic theory	[22, 39, 40, 58, 60–62]
Efficient entry and exit	[45–47, 53, 57]
Entrepreneurship theory	[43, 49, 50, 158]
Economic viability	[5, 28, 63, 134, 159–161]
Maintenance of minimums	[63, 64, 66–68]
Staff, people, and organisation	[83–86, 88, 90–92, 151–153]
Organisational adaptation	[63, 64, 66, 67, 73–76, 86, 91, 92, 96, 97, 99, 142]
Popular and informal literature	[63, 120, 122–126, 128–132, 162]
Business success	[122–124, 163, 164]
Socio-psychological approach	[6, 68, 76, 84–86, 90–92, 94, 96, 99, 112]
Business life cycle model	[109, 118, 119, 165–169]
Age helps the permanence	[19, 47, 52, 106, 109–112, 116, 118]
Age risks the permanence	[73, 106, 109, 112, 114]