Results 31 to 40 of about 7,218 (105)
Water Resources Research, Volume 61, Issue 12, December 2025.Abstract We introduce a new hydrological index that enables assessment of extreme events every few days from the GRACE Follow‐On (GRACE‐FO) satellite mission. The Mass Change Index (MCI) was developed by standardizing instantaneous satellite gravity anomalies computed directly from orbit perturbations.
Miao Tang +8 more
wiley +1 more source
Kernel Estimation for Panel Data with Heterogeneous Dynamics
, 2018 This paper proposes nonparametric kernel-smoothing estimation for panel data to examine the degree of heterogeneity across cross-sectional units. We first estimate the sample mean, autocovariances, and autocorrelations for each unit and then apply kernel
Okui, Ryo, Yanagi, Takahide
core +1 more source
Late payments, higher prices? An experimental investigation of competitive procurement
Decision Sciences, Volume 56, Issue 6, Page 598-621, December 2025.Abstract The decision to pay one's supplier late is commonplace across global supply chains and, arguably, a key challenge for many businesses. In a multiple‐methods study, we contribute to the literature by documenting important empirical and anecdotal features about the likelihood and severity of late payments, formulating and solving a theoretical ...
Matthew J. Walker, Kyle Hyndman
wiley +1 more source
Much empirical research is concerned with estimating conditional mean, median, or hazard functions. For example, labor economists are interested in estimating the mean wages of employed individuals conditional on characteristics such as years of work ...
Horowitz, Joel L.
core
Risks of ignoring uncertainty propagation in AI‐augmented security pipelines
Risk Analysis, Volume 45, Issue 12, Page 4469-4489, December 2025.Abstract The use of AI technologies is being integrated into the secure development of software‐based systems, with an increasing trend of composing AI‐based subsystems (with uncertain levels of performance) into automated pipelines. This presents a fundamental research challenge and seriously threatens safety‐critical domains.
Emanuele Mezzi +3 more
wiley +1 more source
Nonparametric inference for Poisson‐Laguerre tessellations
Scandinavian Journal of Statistics, Volume 52, Issue 4, Page 1816-1851, December 2025.Abstract In this paper, we consider statistical inference for Poisson‐Laguerre tessellations in ℝd$$ {\mathbb{R}}^d $$. The object of interest is a distribution function F$$ F $$ which describes the distribution of the arrival times of the generator points.
Thomas van der Jagt +2 more
wiley +1 more source
Adjusted empirical likelihood estimation of the youden index and associated threshold for the bigamma model [PDF]
, 2009 The Youden index is a widely used measure in the framework of medical diagnostic, where the effectiveness of a biomarker (screening marker or predictor) for classifying a disease status is studied.
Letón, Emilio, Molanes, Elisa M.
core +1 more source
, 2019 We consider a nonparametric instrumental regression model with continuous endogenous regressor where instruments are fully independent of the error term. This assumption allows us to extend the reach of this model to cases where the instrumental variable
Centorrino, Samuele +2 more
core
Using Expectations Data to Study Subjective Income Expectations [PDF]
We have collected data on the one-year-ahead income expectations of members of American households in our Survey of Economic Expectations (SEE), a module of a national continuous telephone survey conducted at the University of Wisconsin.
Charles F. Manski, Jeff Dominitz
core
Adjusted empirical likelihood estimation of the youden index and associated threshold for the bigamia model [PDF]
The Youden index is a widely used measure in the framework of medical diagnostic, where the effectiveness of a biomarker (screening marker or predictor) for classifying a disease status is studied.
Elisa M. Molanes, Emilio Leton
core