We exploit U.S. states’ staggered adoption of Universal Demand (UD) laws to study how the risk of shareholder lawsuits affects insider trading. UD laws, which make it harder for shareholders to bring derivative lawsuits against directors and officers, lead to more profitable insider trades, especially sales. This effect is stronger among smaller firms and firms with lower institutional monitoring. After UD laws, the timing of insiders’ trades also appears more opportunistic and riskier, for example, sales increase before negative earnings surprises. Overall, our study offers clean evidence that the threat of shareholder litigation deters opportunistic insider trading.

Taylor Swift’s new album The Life of a Showgirl is littered with musical nostalgia, harkening back to previous musical eras. Songs such as “Opalite” reference these musical genres of the past with specific combinations of musical parameters such as chord progressions, unusual vocal and instrumental timbres, and subtle text cues. In this essay, I will explore several different ways in which music theorists and musicologists have theorized nostalgia, before demonstrating the musically nostalgic effectiveness of the song “Opalite.” I conclude by speculating on this musical nostalgia as a possible broader reflection of current American culture.

The emergence of the so-called gig economy has reshaped the labor market and, potentially, the politics of the safety net. Much of the American welfare state is based on a traditional model of employment, excluding most gig workers from benefits like subsidized employer-provided health insurance and unemployment insurance. Despite these trends, there is little research on how these changes might affect politics. Are gig workers likely to become a relevant constituency on social welfare and other issues? To address this, we conducted a unique online survey examining policy attitudes and political behaviors among gig workers compared with traditional workers. Our findings indicate that people who view gig work as their “main job” tend to lack access to traditional social insurance and employer-provided benefits, as expected, and rely more on means-tested assistance programs (e.g., food stamps). Consequently, gig workers exhibit higher support than traditional workers for expanding social welfare programs, and are more engaged on issues that affect gig workers. In terms of participation, gig workers are less likely to vote but more likely to engage in nonvoting political activities like protest than traditional workers. This study contributes to the understanding of social welfare politics in the new era of the labor market and highlights a growing constituency for expanding the safety net.

Zoos and aquaria have an ethical responsibility to ensure the welfare of the animals in their care. Developing and implementing an animal welfare strategy is central to fulfilling this obligation. An animal welfare strategy is a comprehensive framework that integrates animal welfare into all zoo operations, policies, and procedures, aiming to embed effective animal welfare practices across the entire organisation and extend these practices into the broader community. The strategy should reflect a clear ongoing commitment to animal welfare, incorporate the latest developments in animal welfare science, ensure an evidence-based approach, and be fully integrated into all policies and procedures. In addition, the strategy should provide a clear framework, measurable goals, and key performance indicators (KPIs), to ensure a structured, objective approach to animal welfare monitoring and enhancement. Creating a strategy involves nine key steps. Structuring the strategy around these steps through the lens of four primary domains: animal care; animal welfare assessment; communication; and evaluation, ensures a comprehensive institution-wide commitment to animal welfare. Once established, the strategy should be sufficiently flexible to ensure continued self-examination and improvement, and an ability to incorporate key insights from the rapidly developing field of animal welfare science. Implementing such a strategy requires sustained effort, strong leadership, and an organisational culture that supports shared values and continual improvement.

El Consejo Comunitario Eladio Ariza, en los Montes de María, concibe su territorio como un espacio de vida que preserva sus costumbres afrodescendientes y prácticas colectivas. Como autoridad étnica, organiza y regula el uso del territorio, priorizando lo comunitario. Sin embargo, su territorialidad ha sido impactada por políticas estatales de ordenamiento que, lejos de conciliar con las visiones locales, han generado tensiones entre las lógicas comunitarias y estatales. A ello se suman las consecuencias del conflicto armado interno y las presiones territoriales derivadas de planes de desarrollo que no corresponden a su visión propia. El Programa de Desarrollo con Enfoque Territorial (PDET), surgido del Acuerdo de Paz, representó una esperanza de transformación, pero no se ha implementado en su totalidad. Así, el territorio de Eladio Ariza se ha visto reconfigurado por estas dinámicas externas, consolidando “territorios de diferencia” donde confluyen intereses y visiones contrastantes.

The European Radiation Dosimetry Group (EURADOS) and the WHO’s Radiation Emergency Medical Preparedness and Assistance Network (REMPAN) have collaborated to review best practices for managing radionuclide intakes through wounds. Rapid response and decisions on wound decontamination, tissue excision, and chelation therapy are based on measurements of the exposed individual and preliminary dose assessments using reasonable default assumptions. The goal is to minimize exposure, prevent tissue reactions, and reduce the risk of stochastic effects.

The management of a contaminated wound is always case-specific, but some general procedures typically apply for a proper evaluation of the contamination case. Medical doctors (surgeons and toxicologists) and internal dosimetrists should work together in the management of the contaminated wound case, with internal dosimetrists providing expert advice to aid clinical decision-making and communication with the patient and his/her family. The ISO standard 20031:2020 provides guidelines on the monitoring and dosimetry for internal exposures due to wound contamination with radionuclides. The Clinical Decision Guide was proposed by the National Council on Radiation Protection and Measurements in its Report 161 to assist physicians in making treatment decisions for individuals with internal radionuclide intakes. Best practices for medical treatment, based on previous experience, are presented here.

When announcing The Life of a Showgirl on the New Heights podcast, Taylor Swift called her 12th album “exuberant and electric and vibrant.” In the weeks leading up to the album’s release, fans wondered what this would mean for Swift’s notoriously vulnerable Track 5. How would we reconcile an “infectiously joyful” album with the admittedly somber concept of Track 5’s “Eldest Daughter”? One theory lies in the location of “Eldest Daughter” in the tracklist, specifically positioned as a Track 5 and following “Father Figure.” It maintains the vulnerability traditionally associated with the position, but does so in a way that redefines it: “Eldest Daughter” is Swift’s first Track 5 not to be rooted in pain or doubt, but instead offering hope and reassurance. Thie vulnerability of Swift’s Track 5s allows her listeners to experience others’ (specifically Swift’s) stories of pain (or hope), which in turn provides them with a language to verbalize their own pain, a necessary step for healing and growth.

We provide a partial answer to a question asked independently by Kim and d’Elbée and show that, under the assumption of the stable Kim-forking conjecture, every $\text {NSOP}_1$ rosy theory must be simple. We also prove that the theory of a Frobenius field has stable Kim-forking.

We generalize the notion of orbit equivalence to the non-commutative setting by introducing a new equivalence relation on groups, which we call von Neumann orbit equivalence (vNOE). We prove the stability of this equivalence relation under taking free products and graph products of groups. To achieve this, we introduce vNOE of tracial von Neumann algebras, show that two countable discrete groups $\Gamma $ and $\Lambda $ are vNOE if and only if the corresponding group von Neumann algebras $L\Gamma $ and $L\Lambda $ are vNOE, and that vNOE of tracial von Neumann algebras is stable under taking free products and graph products of tracial von Neumann algebras.

Ground-based time-lapse cameras are often used to monitor glacier recession, which is primarily driven by the falling of ice from the glacier front, known as iceberg calving or, more commonly, calving events. Glaciologists can utilise these images by manually identifying calving events, a laborious task that requires the analysis of thousands of images in order to identify image pairs that represent the glacier front before, during and after calving. We present a computer vision based method to filter out images rendered unusable due to weather effects such as fog and precipitation by calculating the number of salient key-points detected in the image using the SIFT (Scale-Invariant Feature Transform) algorithm as an indicator of the visibility of the glacier front and discarding any image with fewer key-points than a defined threshold. We propose the use of SNN (Siamese neural network) and show that it is useful in detecting calving events since it allows to separately calculate features on two images and then merges them together in order to track differences between them thus detecting calving areas. The trained model achieved an overall accuracy of 92%, with 79% of calving events and 93% of non-calving being correctly classified on an unseen test set formed from imagery in the same time period as the training data. The model was able to generalise to new time periods (and therefore small changes in viewpoint and alignment) to some extent with an overall accuracy of 82%, with 27% of calving events and 90% of non-calving being correctly classified.

This paper introduces the concept of symbolic rule of law promotion, which consists of repeated enactments of policy and initiatives equated with advancing the rule of law despite no evidence suggesting actual progress. To demonstrate its existence, US rule of law promotion in Afghanistan is examined as a “least likely” crucial case, from the end of President Obama’s Surge in 2014 to the Taliban’s return in 2021. During this time, Afghanistan— a major foreign policy priority—received the most US rule of law aid of any country globally. Unlike earlier attempts that sought to use the rule of law policy and practice to achieve substantive goals and adapted over time, US rule of law endeavors from 2015 to 2021 were symbolic. Decision makers consistently pursued rule of law strategies, and practitioners implemented initiatives that lacked any prospect of success. Previously unsuccessful strategies and programming were replicated alongside partnerships with disinterested, uncooperative stakeholders. More broadly, symbolic rule of law promotion has potentially significant implications for understanding the persistence of underperforming long-term rule of law efforts elsewhere. To increase the prospects of success, it shows the need to engage with non state justice authorities, support robust accountability mechanisms, and take concerns about state legitimacy seriously.

En el marco de la Comisión para el Acceso a la Verdad, el Esclarecimiento Histórico y el Impulso a la Justicia de las Violaciones Graves a los Derechos Humanos Cometidas de 1965 a 1990, creada en 2021 en México por decreto presidencial, entre los años 2022 y 2024 se organizaron foros regionales donde se presentaron diversos testimonios sobre la violencia política infringida durante dicho período histórico. Desde un enfoque que comprende a los mismos como prácticas narrativas de memoria y resistencia que son significadas desde el presente, este artículo aborda los testimonios narrados durante el Diálogo por la Verdad en el Estado de Chiapas. El análisis muestra formas de visibilización de la agencia política indígena en contexto contrainsurgente.

What societal factors influence the reach of Russian propaganda outlets among fringe audiences? Recent debates within international relations and political communication have questioned the ability of Russia’s information warfare practices to persuade general public opinion in the West. Yet, Russian propaganda outlets have historically focused on reaching Western fringe communities, while a growing literature on societal resilience argues that variance in specific societal factors influences the effect of information warfare. Here I study the degree to which various societal factors condition Russia’s ability to reach fringe audiences. I measure the reach of Russian propaganda outlets among online fringe communities in ten Western European countries in the three months before Russia’s full-scale invasion of Ukraine. I compare national measures of public service media, media trust, affective polarisation, and populism and find descriptive indications that the latter two are tied to performance of Russian propaganda outlets in fringe communities. In addition, I find reach to be concentrated among regional great powers, highlighting the need to consider strategic risks when discussing societal resilience.