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Renegotiation And Adaptation Of International Investment Contracts, Klaus P. Berger

Vanderbilt Journal of Transnational Law

In modern-day international investment practice, especially in connection with the exploitation of natural resources, Production Sharing Agreements have come to take over the role of the classic concession agreement. Like their predecessors, these contracts are particularly vulnerable to disturbances in the commercial balance agreed to, or assumed by, the parties at the conclusion of the contract. This vulnerability has three primary causes.

First, these are classic examples of long term contracts. In the petroleum industry, the commitment of significant capital for exploration, particularly in development, and the assumption of considerable risk, particularly in exploration, require contracts covering up to and …

Renegotiation And Adaptation Clauses In Investment Contracts, Revisited, John Y. Gotanda

Vanderbilt Journal of Transnational Law

Professor Dr. Klaus Berger, in Renegotiation and Adaptation of International Investment Contracts: The Role of Contract Drafters and Arbitrators, proposes that international investment contracts include a clause allowing the parties to renegotiate the terms of their contract if certain events take place.' If they are unable to reach an agreement, Professor Berger advocates that the parties agree to permit an arbitral tribunal to modify the terms of the contract to restore the economic equilibrium assumed by the parties when they concluded the agreement. Although commentators have often championed these clauses, private parties involved in international transactions have included them infrequently. …