Ferrari, G. & Zhu, S. (2023). On a Merton Problem with Irreversible Healthcare Investment (Center for Mathematical Economics Working Papers) (überarbeitete Version.). Bielefeld: Center for Mathematical Economics.
Chen, A., Ferrari, G. & Zhu, S. (2023). Striking the Balance: Life Insurance Timing and Asset Allocation in Financial Planning (Center for Mathematical Economics Working Papers). Bielefeld: Center for Mathematical Economics.
Ferrari, G. & Zhu, S. (2023). Optimal Retirement Choice under Age-dependent Force of Mortality (Center for Mathematical Economics Working Papers). Bielefeld: Center for Mathematical Economics.
Ferrari, G. & Zhu, S. (2022). Consumption Descision, Portfolio Choice and Healthcare Irreversible Investment (Center for Mathematical Economics Working Papers). Bielefeld: Center for Mathematical Economics.
Ferrari, G., Schuhmann, P. & Zhu, S. (2021). Optimal Dividends under Markov-Modulated Bankruptcy Level (Center for Mathematical Economics Working Papers). Bielefeld: Center for Mathematical Economics.