Understanding cognitive decline in older ages: The role of health shocks
V. Schiele, H. Schmitz, Understanding Cognitive Decline in Older Ages: The Role of Health Shocks, RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen, 2021.

The dynamic and heterogeneous effects of retirement on cognitive decline
H. Schmitz, M. Westphal, The Dynamic and Heterogeneous Effects of Retirement on Cognitive Decline, RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen, 2021.