Abstract: This paper documents the Portuguese experience in Public-Private Partnerships (PPPs). Since 1993, Portugal has been using PPPs intensively, mainly for highway construction and in the health sector. This has enabled the country to close the infrastructure gap and avoid the budget...

This paper reviews the literature on the allocation and valuation of public-private partnerships (PPPs). First, the paper discusses why governments pursue PPPs and how value for money (VfM) is achieved. Second, the paper reviews the principles of risk allocation and valuation from an academic...

This article analyzes some of the issues raised by institutionalized public-private partnerships in an economic perspective. We demonstrate that although they may address some of the main limits of purely contractual public-private partnerships, such as the issues of control, know-how transfer,...

Prior to the 2008 financial crisis, the economic model of PPPs benefited from a very favorable environment in terms of credit availability and cost. The high level of liquidity in financial markets allowed rising abundant and not expensive external resources, because of both the low level of...

This article adopts the asymmetric DCC with one exogenous variable (ADCCX) model developed by Vargas (2008), by updating the concept of 'volatility surprise' to capture cross-market relationships. Current methods for measuring spillovers do not focus on volatility interactions, and neglect...

As most Exchange-Traded Funds (ETFs) engage in securities lending or are based on total return swaps, they expose their investors to counterparty risk. To mitigate the funds' exposure, their counterparties must pledge collateral. In this paper, we present a framework to study collateral risk and...

Should mergers among nonprofit organizations be regulated differently than mergers among for-profit firms? The relevant empirical literature is highly controversial, the theoretical literature is scarce. I analyze the question by modeling duopoly competition with quality-differentiated goods. I...

Managers are risk averse. Excessive risk-aversion can destroy shareholder wealth. A key source of risk is the threat of an opportunistic takeover designed to take advantage of depressed market prices. This is especially the case in innovative or hard-to-value (`HtV') companies whose price may be...