Results 191 to 200 of about 7,352,836 (227)

Connectivity and Selective Rural Migration

open access: yesInternational Economic Review, EarlyView.
ABSTRACT How does infrastructure shape rural development? Using household panel data from a nationally representative sample of Chinese villages, matched to high‐resolution highway maps, we find that road expansion between 2000 and 2015 operates mainly through reallocation, with less productive farmers scaling down or exiting and more productive ...
Lin Ma   +3 more
wiley   +1 more source

On Spatial Point Processes With Composition‐Valued Marks

open access: yesInternational Statistical Review, EarlyView.
Summary Methods for marked spatial point processes with scalar marks have seen extensive development in recent years. While the impressive progress in data collection and storage capacities has yielded an immense increase in spatial point process data with highly challenging non‐scalar marks, methods for their analysis are not equally well developed ...
Matthias Eckardt   +2 more
wiley   +1 more source

Goodness‐of‐Fit Tests for Positive Quadrant Dependence

open access: yesInternational Statistical Review, EarlyView.
Summary When two random variables are positive quadrant dependent (PQD), they are more likely to assume small (or large) values simultaneously compared with when the random variables are independent. This dependence structure is of interest in many areas, including finance, actuarial science and engineering.
Chuan‐Fa Tang, Joshua M. Tebbs
wiley   +1 more source

Random‐key optimization for 2D irregular packing with reusable area evaluation

open access: yesInternational Transactions in Operational Research, EarlyView.
Abstract The diverse constraints of industrial applications lead to variants of two‐dimensional (2D) irregular packing problems that require tailored solution methods. This paper addresses a real‐world industrial challenge by proposing a new problem definition, the maximum reusable contiguous area problem (MRCAP), and a novel metric, the maximum ...
Felipe S. C. Roberto   +5 more
wiley   +1 more source

Large Language Model‐Based Localization of Premature Ventricular Contraction Origins: A Retrospective Diagnostic Accuracy Study

open access: yesJournal of Cardiovascular Electrophysiology, EarlyView.
ABSTRACT Background Accurate localization of premature ventricular contraction (PVC) origin from 12‐lead electrocardiography (ECG) is important for procedural planning in catheter ablation. Although convolutional neural network (CNN)‐based models have shown promising diagnostic performance, they require task‐specific training and remain limited in ...
Kazuhisa Matsumoto   +12 more
wiley   +1 more source

Site‐Resolved Gingival Microcirculation and Colour Features in Health and Early Inflammation

open access: yesJournal of Clinical Periodontology, EarlyView.
ABSTRACT Aim To characterise site‐level gingival microcirculation in health and early inflammation without clinical attachment loss (CAL), and to evaluate its relationship with probing‐derived clinical parameters and scan‐derived gingival colour metrics.
Mengning Bi   +7 more
wiley   +1 more source

Green Bond Paper Topics, Journal Metrics and Post‐publication Diffusion

open access: yesJournal of Economic Surveys, EarlyView.
ABSTRACT Green bonds are important financial instruments in sustainable finance, generating a rapidly expanding academic literature. This paper identifies the topics analyzed in green bond academic research and examines how these topics are associated with journal and post‐publication diffusion metrics. Using 1048 paper abstracts published between 2015
Paraic McGee, Tom Egan, Sheila O'Donohoe
wiley   +1 more source

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