WiSt - Wirtschaftswissenschaftliches Studium

Artificial Intelligence (AI) is already a mega-trend, also in the financial world. But still, it has some shortcomings. The problems of (i) explainability and (ii) hallucinations are not yet solved, and might stay for longer.

The detection of tax evasion in manipulation-prone cash register data is a major challenge. This article introduces the Chi-Square goodness-of-fit test as a statistical procedure to identify anomalies in cash register data. The method lays the...

This paper contrasts portfolio theory with behavioral finance in explaining investment decisions under risk. While neoclassical theory emphasizes rational diversification, behavioral finance highlights cognitive biases. The paper argues that these...

In recent years, value-like solution concepts have been developed in cooperative game theory that take into account not only marginal contributions of players to subsets of the player set, but also egalitarian aspects in the calculation of player...

The article explains the 2024 reform of the EU fiscal framework and its shift toward a mediumterm net expenditure path as a main indicator. Using Germany’s medium-term fiscal-structural plan as an example, it analyzes the functioning, flexibility,...

This commentary contextualizes the recent developments in generative AI and highlights issues that have thus far received only limited attention in the AI discourse. It discusses indirect effects on the labor market, the tension between rising...

Learning in dynamic work environments and collaborating with team members who may be working in person or virtually requires engaging with novelty and letting go of familiar routines, both cognitively and emotionally. The option of working in the...

From a corporate perspective, cyber risks are considered one of the most „dangerous” types of risk. Cyber incidents often not only cause damage within the company’s own immediate sphere but can also affect third parties, leading to liability...

Markets aggregate dispersed knowledge and expectations into prices. This is highly relevant for firms and the broader economy, as it enables more well-founded decision-making. The case study examines three examples from politics, sports, and finance...