Credit card fraud detection remains a critical challenge for financial institutions, particularly due to extreme class imbalance and the continuously evolving nature of fraudulent behavior. This study investigates two complementary approaches: anomaly detection based on multivariate normal...

The over-hyped Dot.com revolution bubbled and crashed at the end of the 1990s, leaving a largely unused physical and virtual infrastructure that eventually supported the rise of social media that did-indeed-transform life. Not necessarily in a good way. As Robert Gordon famously claimed, you can...

This paper investigates whether economic hardship undermines preferences for honesty. We use controlled, high-stake measures of cheating for private benefit in a sample of 5,664 Kenyans, exploiting three complementary sources of variation: experimentally manipulated monetary incentives to cheat,...

The acceleration of digital financial services in Ghana has transformed the country's banking landscape while simultaneously reshaping its financial crime risk profile. Drawing on insights from the Bank of Ghana (BoG) Annual Fraud Reports, Ghana Association of Banks (GAB) Quarterly Fraud...

The rapid digitalization of financial services in the European Union (EU) has not only enhanced convenience and inclusion but also increased exposure to sophisticated online financial fraud. Digital financial literacy (DFL) is widely promoted as a key tool for empowering consumers and reducing...

We examine how absolute and relative gains within reward schemes influence dishonesty. In our online experiment, we vary two payoff dimensions in a cheating mind game: the payoff level and the absolute payoff difference between being successful or not. A higher payoff level has a negative impact...

This paper investigates whether economic hardship undermines preferences for honesty. We use controlled, high-stake measures of cheating for private benefit in a large sample of 5,664 Kenyans, exploiting three complementary sources of variation: experimentally manipulated monetary incentives to...

This study investigates the evolving trajectories of romance fraud offenders in Ghana through a longitudinal qualitative design grounded in actor-network theory. Drawing on interviews with sixteen self-identified scammers conducted over a four-year period, the research traces how individuals...

This study, grounded in Rational Choice Theory, explores the strategies and decision-making processes of online romance fraud perpetrators in Ghana. Using a qualitative approach, thirteen individuals involved in such fraud were interviewed through purposive and snowball sampling. Data were...

Cryptocurrency fraud represents one of the fastest-growing financial crimes worldwide, yet the psychological mechanisms that enable these scams remain understudied. Drawing on 282 verified victim narratives from California and Wisconsin state crypto scam trackers (2023-2024), this study...

This study analyzes how the insurance distribution channel can affect insurance fraud. It uses econometric models that confirm the existence of claim manipulation as a form of insurance fraud, whereby policyholders circumvent the bonus-malus system and reduce the actual burden of insurance...

Globally, fraud cases and financial losses remain substantial across European countries. This research offers a novel perspective on the determinants of fraud by examining biological factors, specifically, masculine behavior influenced by the testosterone hormone. CEOs' masculine tendencies may...

We examine how cybercrime impacts victims' risk-taking and returns. The results from our difference-in-differences analysis of a sample of victim and matched non-victim investors on the Ethereum blockchain are in line with prospect theory and suggests that victims increase their long-term total...

Peer evaluation tournaments are common in academia, the arts, and corporate environments. They make use of the expert knowledge that academics or team members have in assessing their peers’ performance. However, rampant opportunities for cheating may throw a wrench in the process unless,...

We develop a model of Ponzi schemes with asymmetric information to study Ponzi frauds. A long-lived agent offers to save on behalf of short-lived agents at a higher rate than they can earn themselves. The long-lived agent may genuinely have a superior savings technology, but may be an imposter...

Medicare fraud poses a substantial challenge to healthcare systems, resulting in significant financial losses and undermining the quality of care provided to legitimate beneficiaries. This study investigates the use of machine learning (ML) to enhance Medicare fraud detection, addressing key...

Conveying private information to interested parties is central to almost every economic and social activity. In such interactions, the sender may lie by misreporting the truth, but may also deceive by inducing inaccurate beliefs about the payoff-relevant state. While a huge experimental...

Insurance fraud detection is a significant problem in the insurance industry, producing immeasurable losses. Conventional insurance fraud detection models depend heavily on experts' knowledge, and accurately estimating fraud when the data and the claim data are enormous is a complex and...

Existing studies on romance fraud have been criticized for neglecting the social contexts where these crimes occur. This study takes a psychosocial approach to understanding victims/survivors' experiences with romance fraud to demonstrate how recognizing the interplay between social norms and...

This conceptual paper investigates the role of art experts and appraisers in white-collar crime through the lens of convenience theory. As gatekeepers of authenticity, provenance, and valuation, art appraisers hold significant power in shaping market outcomes. Yet, the opacity of appraisal...

This study investigates cryptocurrency-related scams using data from two state scam trackers, focusing on scam types, financial losses, and scammers' methods of contact. Initial findings reveal that cryptocurrency scams share similarities with other online financial scams but maintain unique...

Fraud in accounting and finance poses a persistent threat to organizational integrity and economic stability, necessitating robust theoretical frameworks for effective detection and prevention. While traditional accounting literature predominantly addresses fraud through objective and...

This article aims to contribute to the limited pool of solutions designed to deter or mitigate hedge fund manager fraud and reduce the associated costs to investors and other hedge fund industry stakeholders. The methodology involves presenting three hedge fund indsutry fraud cases, focusing on...

Although previous research on the predictors of cyber fraud victimization has provided evidence of the impact of routine activity and low self-control on the risk of cyber fraud victimization, little knowledge is available in Japan. In addition, to the best of our knowledge, no study has yet...

Discourses on Authorised Push Payment fraud ("APPF"), through which a victim is deceived into authorising fund transfers to a fraudster, often converged on normative questions of victim negligence and liability. Recent regulatory changes in the UK, which introduced a new mandatory reimbursement...

This study examines the growing concern of corporate delinquency in securities markets through an interdisciplinary approach, incorporating insights from sociological jurisprudence, criminology, and economic principles. Deploying a qualitative methodology, the research involves a comparative...

Inspired by the limited research regarding the influence of CEO succession origin on corporate misconduct, this study draws on organizational identification theory and agency theory to examine this issue. Empirical analysis indicates that insider CEOs significantly constrain corporate misconduct...