The first emerges as a natural offspring of the SCP analysis discussing the measures that should be taken to avoid the abuse of market power by producers. The second is also significant as it highlights the substitution effects that may arise as a result of changes in prices. Finally, crisis management should be understood in the context of public policy planning to pre-empt adverse situations and effectively address them when they occur.
The size of firms can be measured by a number of variables, ranging from number of employees, sales revenue and number of unit sales to capital employed.