1. Equilibrium youth unemployment

   • Torben M. Andersen
   • Henrik Vetter

   OriginalPaper Pages: 1 - 10

2. Family allowances as welfare improvements

   • Bernhard Felderer
   • Klaus Ritzberger

   OriginalPaper Pages: 11 - 33

3. A Kolmogoroff generalized predator-prey model of Goodwin's growth cycle

   • Mario C. Sportelli

   OriginalPaper Pages: 35 - 64

4. The economics of harvesting predator-prey systems

   • Wolfgang J. Ströbele
   • Holger Wacker

   OriginalPaper Pages: 65 - 81

5. The measurement of waste with nonconvex technology

   • Atsushi Tsuneki

   OriginalPaper Pages: 83 - 88