From introduction

The consequences of individual decisions are not always deterministically certain or at least they are not always predictable. One task of social policy is to help individuals reduce risks. Risks such as unemployment or serious illness threaten people’s livelihoods. Social policy has the task of offering people sufficient security through insurance or other measures in order to safeguard their existence. Two forms of uncertainty can be distinguished in traditional analysis: aleatic and epistemic uncertainty. In this paper, we mainly discuss this traditional analysis of uncertainty phenomena. … This publication highlights the social policy consequences that result from both forms of uncertainty.