Established Deterministic Investment Appraisal versus Uncertainty in Investment. When it comes to investing in an infrastructure project, the conventional approach is to evaluate risk through a deterministic approach. Infrastructure Investment: An Engineering Perspective, however, takes on uncertainty in investment. Of interest to engineering consultants, government departments, financial institutions, or anyone involved in investment in infrastructure, this text provides the necessary tools for the analysis and appraisal of investment in infrastructure and other assets with uncertain futures.