Notes, Comments and Preliminary results Dec 26 2015 Marcus Dittrich and Bianka Mey   Are people satisfied with their time use? Empirical evidence from German survey data   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 11 2015 Marcus Dittrich and Bianka Mey   Gender differences in volunteer activities: Evidence from German survey data   Abstract  Contact Information  Citation  Full Text  -  Note