Project TitleRelative Performance of Public-Private Partnerships and Conventional Project Delivery During Crises
UniversityGeorge Mason
Principal InvestigatorJonathan Gifford - GMU
Carter Casady- GMU
PI Contact Informationjgifford@gmu.edu
Funding Source(s) and Amounts Provided (by each agency or organization)GMU Core Fed Share $88,688
GMU Match Share $88,688
Total Project Cost$177,376
Agency ID or Contract Number69A3551847103
Start and End Dates10/28/21 through 4/28/2023
Brief Description of Research ProjectProject Scope:
(1) Research Brief
As the COVID-19 pandemic is demonstrating, crises can dramatically alter the conditions under
which transportation infrastructure projects develop and operate. In particular, crises can modify
economic markets by reducing transportation user demand, limiting government
budgets, and constraining private investors (1–5).
Because Public-Private-Partnership (P3) and conventionally delivered projects typically employ
differing funding and financing strategies, crisis may influence these two project categories
differently. P3 projects typically involve partnerships between private concessionaires (private
sector) and federal, state, or local governments (public sector). Unlike conventional projects that
are typically constructed using general obligation funds, dedicated tax revenues, and/or
government debt, P3 projects typically receive the bulk of their upfront financial resources via
private equity and private/public debt. As a result, P3 approaches can shift financial risks from the
public to the private sector (6). Given the risky nature of large-scale transportation infrastructure
development, such risk transfer potential supplies a key motivation behind many governments’
use of P3 delivery approaches.

Since P3 and conventionally delivered transportation projects can demonstrate widely divergent
public-private risk transfer profiles, their financial indicators may also differ, especially during
times of crisis. Consequently, this research aims to evaluate whether the financial health of P3 and
conventional projects differ during times of crisis. Whether public-sector risk-taking reduces a
project’s cost of capital remains subject to debate. From the investor’s perspective, projects backed
by the public sector’s full-faith and credit, taxing power, and revenue pledges might present less
risk during crisis compared to projects financed solely by the private investment market. The
difference between a P3 project and a conventionally financed project during a crisis would
provide a market-based indicator of the value of the risks retained by the public sector. Such
retained risks are often not explicitly considered in the discussion of delivery options (7). As a
result, the proposed research will pursue three objectives:
Research Objectives
1. Describe how crises have influenced transportation infrastructure projects in modern U.S.
history.1
2. Track dynamic changes in financial markets for P3 and conventional debt during times of
crisis.
1 For the purposes of this research, a crisis must apply either nationally or globally. Regional crises like
weather events require a different, more localized response, and hence are excluded from this research
scope.
2
3. Draw conclusions about the relative impact of conventional and P3 projects under crisis
conditions.
The research findings will inform policymakers how project delivery approaches affect risk
allocation during crises.
Describe Implementation of Research Outcomes (or why not implemented)
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