Dokumente Wirtschaftswissenschaftliche Fakultät nach Erscheinungsdatum
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Extending the Boosting Framework based on Bayesian Methodology
(2023-03-31)The boosting technique emerged from machine learning has become a widely used method to estimate statistical models. As one of the most successful variants, componentwise gradient boosting has been favored by more and more ... -
Essays on structured additive regression models with applications in development economics
(2023-03-17)Structured additive regression models are a particular class of models that provide a flexible framework to deal with a wide class of effects, including linear, nonlinear, random, spatial, and interaction effects, which ... -
Essays in Development and Health Economics
(2023-03-06)This dissertation consists of four essays, which are all based on primary data. In the first essay, we describe and attempt to explain the state and functionality of pre-schools (Anganwadi Centres) in Bihar, India. We find ... -
Textual Information in Analyst Reports and its Value for Decision Support
(2023-02-16)The profession of financial analysts requires skills that cannot be replaced even by today’s most cutting-edge analytical tools. Instead, ongoing globalization and the increasing interconnectedness of international financial ... -
Decision Support for Credit Risk Management Using Alternative Data
(2023-02-16)The digitization of economic activity of individuals and organizations has been a significant trend in recent decades. This shift creates incentives to collect and process data relevant to the information needs of diverse ... -
Access to Care for Cardiometabolic Diseases in Low- and Middle-Income Countries
(2023-01-26)The objective of this dissertation is to contribute to evidence on access to care for cardiovascular disease (CVD) – the most common cause of death globally – by a) describing the state of hypercholesterolemia care in a ... -
Algorithm Aversion and Other Causes of Bias in Decision Behavior
(2022-11-28)The present thesis contributes to the debate on whether the neoclassical economic theory is suitable to describe economic reality. It covers the three topics of algorithm aversion, analysis of capital market forecasts, and ... -
Studies on Digital Transformation and its Implications for Business Models and Corporate Communication
(2022-10-19)Due to an ongoing digitalization of societies and businesses and an increasingly intense and complex competitive environment, incumbent firms need to stay up to date with technological advancements and digitally transform ... -
Essays on Health and Development: Evidence from Indonesia and South Africa
(2022-10-18)The global burden of disease changed substantially over the past decades. The burden stemming from non-communicable diseases has been rising, particularly in middle-oncome countries, and zoonotic pandemics such as HIV/AIDS ... -
Essays on the Investment and Tax Revenue Effects of Tax Loss Offset Provisions
(2022-10-11)“Investment is the fundamental source of firm value and economic growth.” (Hanlon and Heitzman, 2010, p. 147) Firms decide on investments based on the expected future cash flows. Since existing tax systems are not ... -
Information Asymmetries and the Role of Information Intermediaries on Capital Markets
(2022-10-10)Information asymmetries are common characteristics of the relationship between investors and the management of a firm. These asymmetries can lead to inefficient resource allocation and welfare losses. This thesis aims to ... -
Four Essays on Health and Nutrition of Indian Women and Children
(2022-10-05)This cumulative doctoral thesis consists of four research manuscripts (hereafter essays). Essay 1: Using a nationally representative dataset for India, this study sets up a quasi-experimental study design – instrumental ... -
Robo-Advice: The Digitalization and Automation of Financial Advice
(2022-09-30)This cumulative dissertation consists of and critically discusses five peer-reviewed and co-authored publications by me about the digitalization and automation of financial advice, so-called Robo-Advice (RA). The dissertation ... -
Decision Support for the Planning of Production Systems for Renewable Resources
(2022-09-27)For the substitution of fossil fuels with renewables, the use of biomass in production processes is often considered ambivalent regarding economic viability and other sustainability criteria. To address the sustainability ... -
Responsible Consumer Behavior in the Digital Age
(2022-09-22)In recent years, consumers have become more sensitive to the social, economic, and environmental consequences of their market choices. More and more consumers vocally oppose socially irresponsible production patterns and ... -
Business and Financial Cycles in a Globalized World
(2022-08-15)This dissertation consists of three independent research papers and contributes to the empirical analysis of the interaction between business and financial cycles from different perspectives. The first paper uses a non-linear ... -
My Friend, the Content Creator: Consequences of Parasocial Relationships for Engagement in Emerging Social Media
(2022-07-12)Emerging social media, denoted by the proliferation and commodification of user-generated content, continue to play a vital role in shaping firm and consumer behavior. In this context, consumer engagement depicts the core ... -
Marketing the sustainable - Fostering behavioral intentions through information transparency
(2022-07-01)Reshaping our diets to sustainable forms represents a powerful lever in meeting the impending challenge of climate change. While labels have predominantly been used in the past to reveal sustainability-related product ... -
The visualization, unbiased estimation and interpretation of distributional regression models
(2022-06-20)Distributional regression represents a modern approach to regression modeling that yields the ability to simultaneously connect multiple parameters beyond the mean of any parametric response distribution to structured ... -
The Application of Chatbots at the Digital Workplace in Businesses - Empirical Insights and Design Recommendations for Business Chatbots
(2022-06-17)Driven by the ongoing digitalization, businesses and work procedures change, established paper-based ways of working vanish, and new forms of digital collaboration or office and working structures are emerging. Besides ...