In this paper, we develop an analysis of the spatial distribution of knowledge production related to Key Emerging Technologies (KETs) and Societal Grand Challenges (SGCs) in...

We propose a new estimator, the thresholded scaled Lasso, in high-dimensional threshold regressions. First, we establish an upper bound on the ℓ ∞ estimation error of the scaled...

Markov modeling presents an attractive analytical framework for researchers who are interested in state-switching processes occurring within a person, dyad, family, group, or...

Abstract The main aim of spatial sampling is to collect samples in 1-, 2- or 3-dimensional space. It is typically used to estimate the total or mean for a parameter in an...

Abstract This study estimates the development of hybrid open access (OA), i.e. articles published openly on the web within subscription-access journals. Included in the study...