Erratum: A Short Clarification

Erratum

Erratum to: Armentum: a hybrid direct search optimization methodology

In the original publication of this article unfortunately the co-authors were omitted. The two co-authors are displayed now.

Coordination: A Clarification

Ever since Hayek’s 1937 classic, “Economics and Knowledge,” Austrians and other sympathetic writers have rightly emphasized study of the coordination properties of an economic system. To this end, they have claimed a distinction between the Hayekian focus on coordination and the neoclassical focus on equilibrium and efficiency. Although genuine and important, this distinction has yet to be sati...

Clarification

Thrombotic risks: a clarification.

To the Editor: Rogier M. Bertina has written a clear, timely, and authoritative review of factor V Leiden and other coagulation factor mutations affecting thrombotic risk (1). I was confused by the fact that the sum of genetic defects in inherited thrombophilia plus the cases with unknown cause add up to 109.7% (Table 1 of reference 1). This could occur due to multiple defects in individual pat...