Assessment of Risk Mitigation Strategies in Public Private Partnership on Infrastructure Development in Abuja, Nigeria

Despite adopting Public-Private Partnerships (PPPs) for infrastructure delivery in Nigeria, projects in the Federal Capital Territory (FCT), Abuja, face severe cost overruns, schedule delays, and stakeholder dissatisfaction. Grounded in Transaction Cost Economics and Principal-Agent Theory, this study assessed PPP risk mitigation strategies on infrastructure development outcomes in Abuja. The study evaluated major risks, strategy effectiveness, predictor relationships, and implementation challenges. A quantitative explanatory survey design was employed, administering structured questionnaires to a stratified sample of 247 professionals selected from a population of 645. A total of 226 valid responses were analyzed (91.50% response rate; Cronbach’s α=0.84) using descriptive statistics, Pearson correlation, and multiple linear regression in SPSS. Findings revealed an extremely volatile risk ecosystem (mean = 3.98), dominated by financial (4.40) and political (4.20) risks. Existing mitigation strategies were effective overall (mean = 3.65) but skewed toward pre-contractual controls over continuous monitoring. Consequently, project quality was compliant (3.66), whereas cost (2.64) and time (2.82) baselines suffered severe breaches. Regression analysis showed that risk mitigation strategies significantly predicted PPP outcomes (F=39.39,p<.001,R^2=.416), led by contractual (β=.315) and institutional (β=.268) controls. However, systemic implementation challenges (mean = 3.88)—primarily political interference (4.30) and regulatory inconsistency (4.09)—neutralized these formal risk transfers during execution. The study concludes that formal contractual mechanisms are rendered ineffective without post-award governance. Recommendations include establishing a foreign exchange hedging facility via the Central Bank of Nigeria, creating an independent FCTA lifecycle monitoring unit, and deploying standardized ICRC contracts with automatic penalty triggers.

Infrastructure Outcomes, Public-Private Partnerships, Risk Management, Transaction Cost Economics, Abuja.

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