DEFINITION :
COST
Any negative effect on an
organization resulting
from the implementation
of the project.
•Examples:
1.Maintenance of cost
2.Environment.
3.Research and
development.
4.Labour costs.
BENEFIT
A benefit is any positive
effect on the organization
resulting from the
implementation of the
project.
•Examples:
1.Increase in productivity.
2.Reduction in costs.
3.Saving time.
PRINCIPLES OF CBA
➢There must be a common unit of measurement.
➢CBA valuation should represent producers or
consumers.
➢Benefits are usually measured by market choices.
➢The analysis of the project involves with versus; there is
no comparison.
➢CBA involves a particular study area.
➢Double counting of benefits or cost must be avoided.
ADVANTAGES OF CBA
➢Canbeusedforboththenewaswellasoldprojects.
➢Itisbasedonacceptedsocialprinciplethatison
individualpreference.
➢Thismethodencouragesdevelopmentfornew
techniquesfortheevaluationofsocialbenefits.
➢Allowsforefficientallocationofresources.
➢Decreasesnegativeexternalities.
DISADVANTAGES OF CBA
➢Can be hard to put values to social costs and benefits
➢Can be difficult to include all externalities.
➢Costs and benefits can be different for different
groups.