Progress in economics is said to take place through a cumulative process in which scholars build on the work of their predecessors. In an age when graduate syllabi contain few references to books and articles written as many as ten years ago, this is too infrequently the case.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "Progress in economics is said to take place through a cumulative process in which scholars build on the work of their predecessors. In an age when graduate syllabi contain few references to books and articles written as many as ten years ago, this is too infrequently the case." in the context of "Preface" to mean that wisdom is timeless.