Zadawa, Abdullahi Nafu and Hussin, Abdul Aziz and Osmadi, Atasya
(2018)
Mediating Effects of Enforcement on Public Procurement Guidelines' Compliance Barriers and Cost Performance of Construction Projects in Nigerian Federal Universities: A Process Macro Approach.
Journal of Construction in Developing Countries , 23 (1).
pp. 81-102.
ISSN 1823-6499
Abstract
"Mediation analysis" is considered as an important research concept in construction
research clusters. In this study, we tested the mediation effects' of enforcement as a
compliance mechanism on influencing projects' award considered as public procurement
guidelines' (PPGs) compliance barriers that affect the cost performance of construction
projects. Compliance with PPGs provided within the context of the Public Procurement Act
(PPA) 2007 in Nigeria has been a subject of debate. Data for this study was collected from
the procurement stakeholders and construction project parties of nine randomly selected
Nigerian federal universities using survey questionnaires. They included project clients,
contractors registered with the procurement entities, project management consultants and
professional consultants selected using the stratifed proportionate random sampling method.
The data collected was analysed and tested for mediation effects with Process Macro. The
results obtained indicated that enforcement as a compliance mechanism has mediated
the large negative effects of influencing project award as PPGs' compliance barriers that
affects construction project cost performance. Thus, the study concluded that influencing
projects award were identifed as one of the major PPGs' compliance barriers affecting the
cost performance of construction projects in Nigeria. In addition, enforcement was tested and
verifed as an effective mediator that mitigates the effects of the influencing projects award on
construction project cost performance. The study recommends the prompt implementation
of enforcement actions in the form of penalties and strict measures against any defaulting
stakeholders and construction project parties. Actions to establish the National Council of
Public Procurement (NCPP) as provided by the PPA 2007 are also recommended to ensure
practicable enforcement actions
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