1 “... are different and therefore ask for different solutions. The identification of these similarities...”

2 “..., on the difference between the FTP game and the RAP game, and on the crowding-out of intrinsic motivation. As might...”

3 “... recommendations, this volume presents papers based on various macro-economic points of view, showing different...”

4 “... were carried out regarding the intensity and effects of e-business. Finally, the influence of different...”