South African Institute for Medical Research

A Difference-in-Differences Model for Manufacturing Systems Efficiency: A Methodological Evaluation of South African Plants (2000–2024)

{ "background": "Evaluating the impact of technological and managerial interventions on manufacturing systems efficiency requires robust quasi-experimental methods. The difference-in-differences (DiD) model is widely applied in econometrics but its methodological rigour and assum...

A Difference-in-Differences Model for Manufacturing Systems Efficiency: A Methodological Evaluation of South African Plants (2000–2024)

{ "background": "Evaluating the impact of technological and managerial interventions on manufacturing systems efficiency requires robust quasi-experimental methods. The difference-in-differences (DiD) model is widely applied in econometrics but its methodological rigour and assum...

In defense of the moral agency principle: abilities, reasons, and the puzzle of collective duties

Abstract The Puzzle of Collective Duties concerns a tension between the moral requirements of non-agential groups and two important principles of ethical theory, namely Ought Implies Can and the Moral Agency Principle. According to the Moral Agency Principle, if A has a moral dut...