For several decades, scholars have developed methods for solving optimization problems which emerge in economics, econometrics, operations research, and other d

For some seven decades, econometrics has been almost exclusiveley dealing with constructing and applying econometric equation systems, which constitute constrai

This volume contains revised versions of selected papers presented dur ing the 23rd Annual Conference of the German Classification Society GfKl (Gesellschaft fi

This volume contains a refereed selection of revised papers which were originally presented at the Second International Conference on Econometric Decision Model

To all who taught me, and to all who will. Over the past fifteen years the notions of efficiency and sustainability have, more than any others, influenced the a