Introduction; Part I Adaptation in Development Financing: General; Chapter One Development Financing and External Shocks; Chapter Two The Conceptual Framework; Chapter Three Ad Hoc Adaptation and the Debt Crisis of the 1980s; Part II Adaptation Clauses; Chapter Four General Aspects of Adaptation; Chapter Five Renegotiation Clauses; Chapter Six Adaptation Clauses Stricto Sensu; Chapter Seven Adaptation Clauses: A Workable Proposition?; concl Conclusion;