Results 101 to 110 of about 19,082,194 (239)

Integrated Modified OLS Estimation and Fixed-b Inference for Cointegrating Regressions [PDF]

open access: yes
This paper is concerned with parameter estimation and inference in a cointegrating regression, where as usual endogenous regressors as well as serially correlated errors are considered.
Vogelsang, Timothy J., Wagner, Martin
core  

Postnatal craniomandibular growth in Harbor seals (Phoca vitulina vitulina)

open access: yesThe Anatomical Record, EarlyView.
Postnatal ontogeny in Harbor seals (Phoca vitulina vitulina). Cranium and mandible grow rapidly until 5 years of age, followed by a deceleration and finally a stagnation. Abstract As secondarily aquatic carnivores, seals display several phenotypic differences compared to their terrestrial relatives.
Elisabeth Steinbach   +2 more
wiley   +1 more source

The Effect of Infrastructure on Long Run Economic Growth [PDF]

open access: yes
We investigate the long run consequences of infrastructure provision on per capita income in a panel of countries over the period 1950-1992. Simple panel based tests are developed which enable us to isolate the sign and direction of the long run effect ...
Peter Pedroni, David Canning
core  

Intermediate asymptotics beyond homogeneity and self-similarity: long time behavior for $u_t=Deltaphi(u)$

open access: yes, 2006
We investigate the long time asymptotics in L-+(1)( R) for solutions of general nonlinear diffusion equations u(t) = Delta phi(u). We describe, for the first time, the intermediate asymptotics for a very large class of non-homogeneous nonlinearities phi ...
DI FRANCESCO, MARCO   +2 more
core   +1 more source

Biogas production from Opuntia stricta Haw.: microbial diversity and solid load influence on sludge recycle systems

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract The search for alternative and sustainable energy sources becomes urgent as energy demand increases and fossil fuels become less available, especially in water‐scarce regions such as the Brazilian semi‐arid region, where current projections of global warming and the expansion of arid and semi‐arid zones point to a future of desertification ...
Wallysson K. P. Barros   +10 more
wiley   +1 more source

Analysis of delay fluctuationsin two-way time transfer earth stations

open access: yes, 2012
[[abstract]]The delay fluctuations in earth stations have become the main source of instability that degrades the accuracy of two-way satellite time and frequency transfer.
W. H. Tseng;H. T. Lin;P. C. Chang;S. Y. Lin;K. M. Feng
core  

Innovation Pathways to Carbon Efficiency: Disentangling the Effects of AI, R&D, and Clean Energy Blessings on U.S. Environmental Sustainability

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The United States (U.S.) faces challenges in achieving its ambitious net‐zero carbon emissions target by 2050, with current emissions having fallen by less than 1% in 2024. Despite an investment of $500 billion in low‐carbon resources while holding the second‐largest green technology patent portfolio globally, it is further imperative to ...
Md Zubair Ahmad   +5 more
wiley   +1 more source

Asymptotic Theory for Local Time Density Estimation and Nonparametric Cointegrating Regression [PDF]

open access: yes
We provide a new asymptotic theory for local time density estimation for a general class of functionals of integrated time series. This result provides a convenient basis for developing an asymptotic theory for nonparametric cointegrating regression and ...
Peter C.B. Phillips, Qiying Wang
core  

Firm‐Size Heterogeneity in the Effects of ESG Disclosure on Firm Value Under Institutional Reform: Evidence From Japan

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Focusing on firm‐size heterogeneity, this study examines how institutional reform reshapes the effects of environmental, social, and governance (ESG) disclosure on firm value. Using 2019–2023 panel data on 1427 Japanese listed firms (before and after the 2022 Tokyo Stock Exchange reorganization and Corporate Governance Code revision), this ...
Akio Nakashima, Kimitaka Nishitani
wiley   +1 more source

Nonparametric Quantile Regression with Heavy-Tailed and Strongly Dependent Errors [PDF]

open access: yes
We consider nonparametric estimation of the conditional qth quantile for stationary time series. We deal with stationary time series with strong time dependence and heavy tails under the setting of random design.
Toshio Honda
core  

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