How Flexible is Community Law? An Unusual Approach to the Concept of "Two Speeds"

The concept of "two speeds" de lege ferenda and the connected question of possible flexibility in Community law de lege lata raise a number of highly complex institutional questions that go to the very roots of the Community system. We offer the following analysis of such questions to Eric Stein, whose writing and teaching have contributed so greatly to the understanding of the Community's foundations.