statistics
Gradient-free stochastic optimization of derivatives under strong convexity
We consider the problem of minimizing the k-th order partial derivative f=∂kjg of an unknown function g along a fixed coordinate direction j, based on noisy queries of g. Assuming that g has Hölder ...
Arxiv, Statistics Theory, 2026
economics
Innovation and startup acquisition
In this paper, we consider two platforms that compete for the development of a new product to integrate into their ecosystems. The new product can be developed either in-house by the platforms or by a ...
International Journal of Industrial Organization, 2026
economics
Measuring Sensitive Outcomes through Ballot-Bag Surveys
Prevailing methods for measuring sensitive outcomes confront researchers with an inherent bias-variance trade-off: direct questioning is prone to a sensitivity bias, while indirect methods such as lis ...
American Economic Review: Insights, 2026
sociology
From Bow to Brain: Reducing Educational Inequalities through Music Education? Evidence from a Quasi-Experiment on a Violin Program for Young, Disadvantaged Children
This study evaluates the effects of intensive music education on disadvantaged children in the northern suburbs of Paris, using a quasi-experimental design with entropy balancing. We focus on a four-y ...
Sociology of Education, 2026
finance
How to close the protection gap and increase resilience against climate change
This discussion paper examines Europe’s widening natural catastrophe protection gap – estimated at 50–75% of economic losses remaining uninsured – and sets out how it can be addressed through ...
AAE Sustainability and Climate Related Risks Working Group, 2026
statistics
Optimal Estimation of Discrete Multiview Distributions under Heteroskedastic Multinomial Sampling
Multiview latent-variable models provide a fundamental framework for discrete data analysis, with applications to latent structure models, topic models, and mixtures of product distributions. In the d ...
Preprint, 2026
economics
Wealth Heterogeneity and the Marginal Propensity to Consume Out of Wealth
We provide detailed estimates of how the marginal propensity to consume out of wealth (MPC) varies along the distribution of household wealth and by asset composition, and analyse the sources of MPC h ...
Journal of the European Economic Association, 2026
sociology
Guidelines for reporting social and personal network data: the case of the journal REDES
This study aims to describe the guidelines used in articles published in the journal REDES to report relational data. A total of 363 articles published between 2002 and 2023 were analyzed. To do this, ...
Redes. Revista hispana para el análisis de redes sociales, 2026
sociology
Los micro-trabajadores detrás de la inteligencia artificial: Explorando nuevos sujetos digitales y sus precariedades en el mundo laboral
En los entornos digitales, la producción de valor no solo involucra a desarrolladores e ingenieros informáticos, sino a una gama más amplia de sujetos digitales —desde usuarios hasta trabajadores ...
¿Somos Sujetos Digitales? Tecnopromesas, Saberes Psi y Digitalizaci{ó}n de la Vida Cotidiana, 2026
sociology
What is AI Doing to Job Quality? Platformization, Fissured Workplaces and Dispersion
Debates about AI and labour are focused on job losses, yet give little consideration to how this technology affects actual working experiences. This chapter examines the impact of AI on job quality th ...
Job Quality in a Turbulent Era, 2026