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Publikation The role of public funding agencies for startup promotion. An international comparison(Springer Cham, 2024) Schulte, Volker; Birkenmeier, Beat; Verkuil, Arie HansThe article describes start-up promotion policies of governments in an international comparison. It analyses the advantages and disadvantages of subsidies for start-ups.04A - Beitrag SammelbandPublikation Epilogue. Bridging past to future - small analogy of economic crises(Springer Cham, 2024) Schulte, Volker; Köhle, Ivan; Verkuil, Arie HansThe article describes economic crises from Diocletian, to pre-modern and modern crises during industrialization and the way to find out of it.04A - Beitrag SammelbandPublikation Piloting innovative forms of nature-based learning in business schools. Shifting mindsets for regenerative futures and business models to emerge(Mondragon Unibertsitatea, 2024) Wyss, Ananda; von Kutzschenbach, Michael; Hoveskog, Maya; Tell, Joakim; Khitous, Fatima; Norris, Nicole04B - Beitrag KonferenzschriftPublikation Global and risk-group stratified well-being and mental health during the COVID-19 pandemic in adults. Results from the international COH-FIT Study(Elsevier, 2024) Solmi, Marco; Thompson, Trevor; Estradé, Andrés; Agorastos, Agorastos; Radua, Joaquim; Cortese, Samuele; Dragioti, Elena; Vancampfort, Davy; Thygesen, Lau Caspar; Aschauer, Harald; Schlögelhofer, Monika; Aschauer, Elena; Schneeberger, Andres; Huber, Christian G.; Hasler, Gregor; Conus, Philippe; Do Cuénod, Kim Q.; von Känel, Roland; Arrondo, Gonzalo; Fusar-Poli, Paolo; Gorwood, Philip; Llorca, Pierre-Michel; Krebs, Marie-Odile; Scanferla, Elisabetta; Kishimoto, Taishiro; Rabbani, Golam; Skonieczna-Żydecka, Karolina; Brambilla, Paolo; Favaro, Angela; Takamiya, Akihiro; Zoccante, Leonardo; Colizzi, Marco; Bourgin, Julie; Kamiński, Karol; Moghadasin, Maryam; Seedat, Soraya; Matthews, Evan; Wells, John; Vassilopoulou, Emilia; Gadelha, Ary; Su, Kuan-Pin; Kwon, Jun Soo; Kim, Minah; Young Lee, Tae; Papsuev, Oleg; Manková, Denisa; Boscutti, Andrea; Gerunda, Cristiano; Saccon, Diego; Righi, Elena; Monaco, Francesco; Croatto, Giovanni; Cereda, Guido; Demurtas, Jacopo; Brondino, Natascia; Veronese, Nicola; Enrico, Paolo; Politi, Pierluigi; Ciappolino, Valentina; Pfennig, Andrea; Bechdolf, Andreas; Meyer-Lindenberg, Andreas; Kahl, Kai G.; Domschke, Katharina; Bauer, Michael; Koutsouleris, Nikolaos; Winter, Sibylle; Borgwardt, Stefan; Bitter, Istvan; Balazs, Judit; Czobor, Pál; Unoka, Zsolt; Mavridis, Dimitris; Tsamakis, Konstantinos; Bozikas, Vasilios P.; Tunvirachaisakul, Chavit; Maes, Michael; Rungnirundorn, Teerayuth; Supasitthumrong, Thitiporn; Haque, Ariful; Brunoni, Andre R.; Costardi, Carlos Gustavo; Schuch, Felipe Barreto; Polanczyk, Guilherme; Luiz, Jhoanne Merlyn; Fonseca, Lais; Aparicio, Luana V.M.; Valvassori, Samira Silva; Nordentoft, Merete; Vendsborg, Per B.; Hoffmann, Sofie Have; Sehli, Jihed; Sartorius, Norman; Heuss, Sabina; Guinart, Daniel; Hamilton, Jane Elizabeth; Kane, John M.; Rubio, José M.; Sand, Michael S.; Koyanagi, Ai; Solanes, Aleix; Andreu-Bernabeu, Alvaro; Caceres, Antonia San Jóse; Arango, Celso; Díaz-Caneja, Covadonga M.; Hidalgo-Mazzei, Diego Alberto; Vieta, Eduard; González-Peñas, Javier; Fortea, Lydia; Parellada-Redondo, Mara José; Fullana, Miquel Àngel; Verdolini, Norma; Andrlíková, Eva; Janků, Karolína; Millan, Mark John; Honciuc, Mihaela; Moniuszko-Malinowska, Anna M.; Loniewski, Igor; Samochowiec, Jerzy; Kiszkiel, Łukasz; Marlicz, Maria; Sowa, Paweł Mateusz; Marlicz, Wojciech M.; Spies, Georgina; Stubbs, Brendon; Firth, Joseph; Sullivan, Sarah A.; Darçin, Asli Enez; Aksu, Hatice Bagdatli; Dilbaz, Nesrin; Noyan, C. Onur; Kitazawa, Momoko; Kurokawa, Shunya; Tazawa, Yuuki; Anselmi, Alejandro; Cracco, Cecilia Valentina; Machado, Ana Inés; Estrade, Natalia; De Leo, Diego; Curtis, Jackie; Berk, Michael; Carvalho, Andre Ferrer; Ward, Philip B.; Teasdale, Scott B.; Rosenbaum, Simon; Marx, Wolfgang; Horodnic, Adrian Vasile; Oprea, Liviu; Alexinschi, Ovidiu Eugen; Ifteni, Petru Iulian; Turliuc, Serban; Ciuhodaru, Tudor; Boloş, Alexandra; Matei, Valentin Petre; Nieman, Dorien H.; Sommer, Iris E.C.; van Os, Jim J.; van Amelsvoort, Thérèse A.M.J.; Sun, Ching Fang; Guu, Taiwei; Jiao, Can; Zhang, Jieting; Fan, Jialin; Zou, Liye; Yu, Xin; Chi, Xinli; de Timary, Philippe; van Winkel, Ruud; Ng, Bernardo; Peña de León, Edilberto; Arellano, Ramon; Roman, Raquel; Sanchez, Thelma; Movina, Larisa G.; Morgado, Pedro; Brissos, Sofia; Aizberg, Oleg R.; Mosina, Anna A.; Krinitski, Damir; Mugisha, James; Sadeghi-Bahmani, Dena; Sheybani, Farshad; Sadeghi, Masoud; Hadi, Samira; Brand, Serge; Errázuriz, Antonia; Crossley, Nicolas A.; Ignjatovic-Ristic, Dragana; López-Jaramillo, Carlos Alberto; Efthymiou, Dimitris; Kuttichira, Praveenlal; Kallivayalil, Roy Abraham; Javed, Afzal A.; Afridi, Muhammad Iqbal; James, Bawo Onesirosan; Seb-Akahomen, Omonefe Joy; Fiedorowicz, Jess G.; Daskalakis, Jeff D.; Yatham, Lakshmi N.; Yang, Lin; Okasha, Tarek A.; Dahdouh, Aïcha; Tiihonen, Jari; Shin, Jae Il; Lee, Jinhee; Mhalla, Ahmed; Gaha, Lotfi; Brahim, Takoua; Altynbekov, Kuanysh S.; Negay, Nikolay; Nurmagambetova, Saltanat; Jamei, Yasser Abu; Weiser, Mark B.; Correll, Christoph UlrichInternational studies measuring wellbeing/multidimensional mental health before/ during the COVID-19 pandemic, including representative samples for >2 years, identifying risk groups and coping strategies are lacking. COH-FIT is an online, international, anonymous survey measuring changes in well-being (WHO-5) and a composite psychopathology P-score, and their associations with COVID-19 deaths/restrictions, 12 a-priori defined risk individual/cumulative factors, and coping strategies during COVID-19 pandemic (26/04/2020-26/ 06/2022) in 30 languages (representative, weighted non-representative, adults). T-test, χ2, penalized cubic splines, linear regression, correlation analyses were conducted. Analyzing 121,066/142,364 initiated surveys, WHO-5/P-score worsened intra-pandemic by 11.1±21.1/13.2±17.9 points (effect size d=0.50/0.60) (comparable results in representative/weighted non-probability samples). Persons with WHO-5 scores indicative of depression screening (<50, 13% to 32%) and major depression (<29, 3% to 12%) significantly increased. WHO-5 worsened from those with mental disorders, female sex, COVID-19-related loss, low-income country location, physical disorders, healthcare worker occupations, large city location, COVID-19 infection, unemployment, firstgeneration immigration, to age=18-29 with a cumulative effect. Similar findings emerged for P-score. Changes were significantly but minimally related to COVID-19 deaths, returning to near-pre-pandemic values after >2 years. The most subjectively effective coping strategies were exercise and walking, internet use, social contacts. Identified risk groups, coping strategies and outcome trajectories can inform global public health strategies.01A - Beitrag in wissenschaftlicher ZeitschriftPublikation Efficient estimation of bid–ask spreads from open, high, low, and close prices(Elsevier, 2024) Ardia, David; Guidotti, Emanuele; Kröncke, TimPopular bid–ask spread estimators are downward biased when trading is infrequent. Moreover, they consider only a subset of open, high, low, and close prices and neglect potentially useful information to improve the spread estimate. By accounting for discretely observed prices, this paper derives asymptotically unbiased estimators of the effective bid–ask spread. Moreover, we combine them optimally to minimize the estimation variance and obtain an efficient estimator. Through theoretical analyses, numerical simulations, and empirical evaluations, we show that our efficient estimator dominates other estimators from transaction prices, yields novel insights for measuring bid–ask spreads, and has broad applicability in empirical finance.01A - Beitrag in wissenschaftlicher ZeitschriftPublikation An application of Hofstede’s cultural dimensions and golden circle in entrepreneurship education(AOSIS, 2024) Thetsane, Regina M.; Meyer, Dario; Chambwe, MichaelBackground: Entrepreneurship education has become an important issue worldwide, originating mainly in the United States (US) and the United Kingdom (UK). Different methods have been used to teach entrepreneurship, often without considering local circumstances, which is particularly important in sub-Saharan Africa with its diverse cultures. Therefore, comparing the impact of cultural differences in teaching entrepreneurship education in Western Europe and sub-Saharan African countries is crucial to overcoming such challenges. Aim: This article aims to compare the impact of cultural differences in teaching entrepreneurship education in Western Europe and sub-Saharan African countries with the aim of designing appropriate entrepreneurship education programmes and approaches to the specific cultural contexts. Setting: The study compares the impact of cultural differences in Western Europe (US and UK) and sub-Saharan African countries. Methods: A literature review descriptive study of the impact of cultural differences in teaching entrepreneurship education in Western Europe and sub-Saharan Africa was adopted. Secondary analysis using Hofstede’s cultural dimensions’ model was used for analysis. Results: The main cultural differences are in the dimensions of individualism versus collectivism and power distance. Incorporating team-based learning and focusing on business ideas with a positive collective impact in sub-Saharan Africa can lead to more effective entrepreneurship education. Conclusion: It is crucial to adapt entrepreneurship education approaches to the specific cultural contexts of regions. Using a framework with four guide questions for whom, why, what and how can support the development of programmes. Contribution: Future education programmes can be designed based on a proposed golden circle.01A - Beitrag in wissenschaftlicher ZeitschriftPublikation Audit as genre, migration industries, and neoliberalism’s uptakes(Routledge, 2022) Del Percio, Alfonso; Chun, Christian W.04A - Beitrag SammelbandPublikation Hard work, growth mindset, fluent English. Navigating neoliberal logics(Routledge, 2021) Highet, Katy; Del Percio, Alfonso; Sardoč, Mitja04A - Beitrag SammelbandPublikation How to support customer segmentation with useful cluster descriptions(Springer, 2015) Witschel, Hans Friedrich; Loo, Simon; Riesen, Kaspar; Perner, PetraCustomer or market segmentation is an important instrument for the optimisation of marketing strategies and product portfolios. Clustering is a popular data mining technique used to support such segmentation – it groups customers into segments that share certain demographic or behavioural characteristics. In this research, we explore several automatic approaches which support an important task that starts after the actual clustering, namely capturing and labeling the “essence” of segments. We conducted an empirical study by implementing several of these approaches, applying them to a data set of customer representations and studying the way our study participants interacted with the resulting cluster representations. Major goal of the present paper is to find out which approaches exhibit the greatest ease of understanding on the one hand and which of them lead to the most correct interpretation of cluster essence on the other hand. Our results indicate that using a learned decision tree model as a cluster representation provides both good ease of understanding and correctness of drawn conclusions.04B - Beitrag KonferenzschriftPublikation Introductory chapter. Prospects for sustainable business development(Springer Cham, 2024) Verkuil, Arie Hans; Hinz, Andreas; Milow, Uta; Al-Kilani, Mahmoud; Verkuil, Arie HansIn the introductory chapter the editors describe the dimensions of sustainable business development from a fundamental and international perspective and encompass aspects of environmental efficiency, social equity, and economic profitability. In addition, they give a short overview of all chapters and the authors.04A - Beitrag Sammelband