Wirtschaftswissenschaftliche Fakultät
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In this cumulative dissertation, I investigate the relation between the cognitive complexity of work tasks and economic outcomes such as earnings, migration, and aggregate income growth. Existing theoretical and empirical research firmly established that human capital plays a major role in determining these outcomes. However, the literature to date has focused on a limited set of human capital measures, such as education, years of work experience, and basic demographic characteristics, and has largely ignored considerable individual variation attributable to occupational skills. By introducing novel skill measures derived from work tasks and using theoretical models combined with empirical evidence, I demonstrate the determining role played by occupational skills.
The first paper examines the connection between problem solving and lifecycle wage dynamics. I introduce a model of learning-by-doing which relates the intensity of complex tasks to the growth of problem solving skills and labour productivity. Using German administrative data, I find that workers in complex jobs receive static and dynamic wage premia and acquire relatively more human capital throughout life.
The second paper examines the selection pattern of Mexican migrants to the United States and shows that Mexican migrants have lower cognitive skills and higher manual skills compared to non-migrants. Using an extended version of the Roy-Borjas model, I show that differences in the returns to occupational skills explain the selection pattern better than differences in the returns to education and basic characteristics.
The third paper explores the role that complexity plays in economic development. I develop a regional model of endogenous growth which relates aggregate problem solving skills to the rate of technology adoption. In the model, migration costs and spillovers in technology adoption create persistent differences in regional income. By estimating growth regressions, I find that problem solving skills strongly predict per capita income growth in a sample of European regions.
The results collected in the dissertation have implications for economic development policies focused on human capital, projection and analysis of international migration, and evaluating long-term effects of recessions.
This dissertation endeavours to bring together already formulated and future starting points in the research of wisdom-oriented management. While modules I and II focus on practical wisdom with regard to corporate sustainability, module III focuses on the concept of practical wisdom with regard to decision-making processes in companies. Module IV provides the fundamentals of business ethics and wisdom-oriented thinking in relation to management education.
This cumulative dissertation deals with a systematic review of experimental service research over four decades and the cause-and-effect relationships within social media recovery. In total, the dissertation comprises three articles:
1) Albrecht, K. (2016): Understanding the Effects of the Presence of Others in the Service Environment – A Literature Review, in: Journal of Business Market Management, Vol. 9, No. 1, p. 541-563 (VHB-JQ3:D).
2) Hogreve, J. / Bilstein, N. / Hoerner, K. (2018): Service Recovery on Stage: Effects of Social Media Recovery on Virtually Present Others, revise and resubmit (2nd round) to Journal of Service Research (VHB-JQ3:A) in July 2018.
3) Hogreve, J. / Matta, S. / Hoerner, K. (2018): Cause and Effect: A Systematic Review of Four Decades of Experiments in Service Research, to be submitted to the Journal of Service Research (VHB-JQ3:A).
The first article is a literature review of existing research on the effects of the presence of others in the service environment. Through a systematic literature analysis three context factors could be identified, which significantly influence the interaction between customers in the service environment (online/offline). The second article examines the effects of a specific form of indirect customer interaction by means of several quantitative studies: The effects of customer complaints and subsequent service recovery in social media on virtually present others. The third article presents the current state of experimental service research over a period of four decades by means of a systematic literature analysis and identifies research gaps that should be addressed by future research.
This cumulative dissertation explores the role and nature of practical wisdom in management research and comprises four papers:
1. Bachmann, C., Habisch, A. & Dierksmeier, C. (2017). Practical Wisdom: Management’s No Longer Forgotten Virtue. Journal of Business Ethics. First Online: 12 January 2017, doi: 10.1007/s10551-016-3417-y.
2. Habisch, A. & Bachmann, C. (2016). Empowering practical wisdom from religious
traditions: a ricoeurian approach. International Journal of Corporate Social Responsibility 1(10), 1-9.
3. Bachmann, C. (2014). Can practical wisdom be taught in business schools? An inquiry based learning approach for management education. In P. Blessinger & J. M. Carfora (Hrsg.), Inquiry-Based Learning for the Arts, Humanities, and Social Sciences: A Conceptual and Practical Resource for Educators, (pp. 277-302). Emerald Group Publishing Limited.
4. Bachmann, C., Sasse, L. & Habisch, A.(under review). Applying the Practical Wisdom Lenses in Decision-Making: An Integrative Approach to Humanistic Management. Eingereicht bei: Humanistic Management Journal.
The dissertation is basic research which significantly contributes to the development and systematization of the hitherto unchartered landscape of wisdom-oriented management literature. In this sense, it rediscovers new intellectual territory where further research on the role of practical wisdom in leadership and organizational studies might emerge. The first two papers, on the one hand, focus on theoretical reflections on corporate ethics and wisdom theory. The third and fourth papers, on the other hand, are more application-oriented and specifically related to two main disciplines of management research, i.e. management education (3) and decision-making theory (4).
This cumulative dissertation consists of five contributions considering different research questions in the field of multi- and omni-channel retailing and retail logistics.
The first contribution provides an overview of the areas of multi- and omni-channel retail logistics which have already been explored up to and including the year 2015. The focus is on empirical research published in academic journals. The findings are used to derive future areas of research which are addressed in the remainder of this dissertation.
The focus of the contributions 2 and 3 is on retailing with non-perishable goods (non-food retailing). On the one hand, the transition from a channel-specific and thus separated multi-channel logistics system towards a channel-integrated omni-channel logistics system is described and analyzed (contribution 2). On the other hand, retailers who have put time and effort into the integration of their sales channels are striving to use their integrated channels as best as possible, too. Because of the higher sales generated by customers on multiple channels, retailers steer their customers through the channels and use specific methods for order processing and logistics to their advantage (contribution 3).
Contributions 4 and 5 are especially concerned with food retailing on multiple distribution channels. On the one hand, a framework for the delivery of grocery on the last mile to the customer is presented (contribution 4) and on the other hand a supply-chain-wide perspective is taken in order to pinpoint logistics networks and network structures for different geographic regions and order volumes in omni-channel grocery retailing (contribution 5).
With this cumulative dissertation unexplored research in the field of multi- and omni-channel retail logistics is addressed. The overall contribution of this work is to analyze and solve challenges faced by retailers in terms of logistical integration and handling of multiple channels. Both the retail context (food and non-food) as well as a specific topic within this context are focused. In addition, value is added for practitioners in retail enterprises by depicting concrete recommendations in each of the individual contributions. By publishing in international academic journals the research results are made accessible to a broad readership and thus help to understand and solve logistical challenges in dealing with multiple channels in a retail company.