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Essays in health economics
(2023)
Measuring the influence of subsidies on the sustainability of microfinance institutions is a major challenge. This dissertation shows that the Subsidy Dependence Index remains the most promising ratio to calculate the subsidy received and measure microfinance institutions’ dependence on subsidies to conduct further research on the institutions’ ability to become socially and financially sustainable. By comparing the Subsidy Dependence Index to alternative measurements, a detailed discussion, and an exemplary calculation, its applicability to addressing the research gap of microfinance institutions’ reliance on subsidies to improve their efficiency can be shown. A calculation for 224 microfinance institutions serving 23.5 million active borrowers shows its applicability for large-scale data sets. Focusing on the microfinance institution (MFI), this research project takes an institutionalist approach.
Since efficiency is the prerequisite to sustainability, the hypothesis that subsidies have a conflicting influence on microfinance institutions’ financial and social efficiency has been tested using a reduced panel of 216 microfinance institutions. A multi-input/ multi-output data envelopment analysis (DEA) is applied to determine financial and social efficiency beyond ratios. The efficiency scores that serve as a proxy for sustainability are then used as dependent variables in panel data regressions. The main finding is that subsidies have a negative but only marginal effect on efficiency. However, the effect is only strongly significant regarding social efficiency.
To the best of the author’s knowledge, there is no research done to evaluate the influence of subsidies on financial and social efficiency based on a DEA.
Linking talent management and organizational outcomes through the lens of professional football
(2023)
External investors
(2023)
Within this doctoral dissertation, I explore external investments in family firms. In particular, this dissertation comprises three independent studies to contribute to and extend current literature regarding family firms and external investors. The first study extends research on external investments in family firms by fundamentally analyzing the decision criteria of family firm owner-managers for using external minority investments, thus representing a first interim step of external succession. The second study changes the point of view and contributes by analyzing the drivers of financial investors’ preference for acquiring a family firm. The third study analyzes drivers resulting in financial investors’ successful or unsuccessful acquisition of family firms.