An occasion such as this first ICAPE conference reflects an increasing coherence, and openness to communication, among the different strands of economics. The purpose of this paper is to address the questions this raises as to whether or not there is still a useful role for the concept of schools of thought. We explore first the categories of orthodox economics and heterodox economics and how we can expect them to develop in the future. In particular, is the relationship between orthodoxy and heterodoxy dualistic, and if so where does this leave pluralism in general and schools of thought within heterodox economics in particular? The meaning of pluralism is explored further with respect to heterodox economics, and the notion of struct...