The COVID-19 pandemic has exposed the existing shortfall in telecommunications infrastructure in Peru, particularly in terms of Internet connectivity in urban areas, let alone rural ones. However, this challenge has also led to a shift in the population’s perception regarding the relevance of...

The study of the time-of-day electricity demand motivates the introduction of a new class of nonparametric estimators: the constrained smoothing spline estimator. We compare the results obtained with this estimator against the classical Fourier and smoothing splines estimates.

In this paper we introduce estimators for the nonparametric and the finite dimensional components of a partially additive model. In a first step the parametric part is estimated through an instrumental variable method. Then the nonparametric additive components are estimated by inserting the...