330 Wirtschaft
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RECENTLY, A NEW CLASS OF SYSTEMS FOR SHARED AND COLLABORATIVE DATA MANAGEMENT HAS GAINED MORE AND MORE TRACTION. IN CONTRAST TO CLASSICAL DATA BASE MANAGEMENT SYSTEMS (DBMS), SYSTEMS FOR SHARED DATA NEED TO PROVIDE ADDITIONAL GUARANTEES TO ENSURE THE INTEGRITY OF DATA AND TRANSACTION EXECUTION. IN THIS PAPER, WE PRESENT TRUSTDBLE, A NEW DBMS THAT EXTENDS THE ACID PROPERTIES (I.E., ATOMICITY, CONSISTENCY, ISOLATION, DURABILITY) USED BY CLASSICAL DBMSS WITH A NEW VERIFIABILITY COMPONENT TO ADDRESS THESE NEW REQUIREMENTS.
What does your personality reveal about your financial behavior? Evidence from a FinTech experiment
(2022)
We co-operate with a German financial account aggregator (FAA) and conduct a personality survey with 1,700 app users. We combine the survey results with their anonymized transaction data and investigate links between personality traits and spending behavior. Observing many lottery windfalls in our dataset and treating these incidents as real-life experiments, we ask: what do individuals do with unexpected income changes? Our findings suggest that highly extraverted individuals tend to overspend in response to lottery windfalls.
MANY PEOPLE CLAIM THAT FIRMS NEED TO EMBRACE DIGITAL TECHNOLOGIES. YET, WE KNOW LITTLE ABOUT DIGITAL EMBRACEMENT, ITS ANTECEDENTS, AND ECONOMIC CONSEQUENCES. THIS ARTICLE PROPOSES A TEXTUAL APPROACH TO MEASURE DIGITAL EMBRACEMENT AND APPLIES IT IN AN EMPIRICAL STUDY COVERING 2,278 PUBLICLY LISTED U.S. FIRMS OVER 17 YEARS. THE RESULTS OUTLINE A VAST HETEROGENEITY IN FIRMS’ DIGITAL EMBRACEMENT IN AND ACROSS INDUSTRIES. REMARKABLY, A HIGHER DIGITAL EMBRACEMENT PREDICTS HIGHER FINANCIAL PERFORMANCE.
Business practitioners increasingly use Artificial Intelligence (AI) applications to assist customers in making decisions due to their higher prediction quality. Yet, customers are frequently reluctant to rely on advice generated from machines, especially when their decision is at stake. Our study proposes a solution, which is to bring a human expert in the loop of machine advice. We empirically test whether customers are more accepting expert-AI collaborative advice than expert or AI advice.
Jacob Hetzel : But This Time It’s Different – the Rise of the Retail Investor
Carsten Binnig, Muhammad El-Hindi, Simon Karrer, Benedikt Völker : TRUSTDBLE: Towards a New Class of DBMSs for Data Sharing
Simeng Han, Alexander Hillert, Bernd Skiera : Digital Embracement of Firms: Measurement, Antecedents, and Financial Consequences
Interview with Christina Sell : The Role of ESG Data in the Sustainable Transformation of the Real Economy
ETFs Prove Their Worth in Turbulent Times / Eric Leupold, Managing Director / Head of Cash Market, Deutsche Börse AG
Is Human-AI Advice Better than Human or AI Advice? / Cathy Liu Yang, Kevin Bauer, Xitong Li, Oliver Hinz
What Does Your Personality Reveal about Your Financial Behavior? Evidence from a FinTech Experiment / Andreas Hackethal, Fabian Nemeczek, Jan Radermacher
“MiCA” – Regulating the European Markets in Crypto-Assets / Dr. Stefan Berger, Member of the European Parliament, Committee on Economic and Monetary Affairs
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