The present thesis contributes to the user acceptance literature by improving understanding about the role of pre-implementation acceptance in the adoption of enterprise systems. This phenomenon was addressed from three different perspectives in the three core papers: Chapter 2 focused on...

This study investigates the reform of the public budgeting and accounting system (Doppik) in Brandenburg. On the one hand, this thesis aims to identify the key variables shaping employees' commitment to change and, on the other hand, to examine the extent employees' commitment to change...