Results 171 to 180 of about 3,968,586 (305)

A Test of the Martingale Hypothesis [PDF]

open access: yes
This paper proposes a statistical test of the martingale hypothesis. It can be used to test whether a given time series is a martingale process against certain non-martingale alternatives.
Whang, Yoon-Jae, Park, Joon Y.
core  

Significant Clinical Improvements Following Arthroscopic Iliopsoas Fractional Lengthening After Total Hip Arthroplasty: A Prospective Multicenter Study

open access: yesArthroscopy, Sports Medicine, and Rehabilitation, EarlyView.
Purpose To prospectively investigate subjective anterior groin pain, patient‐reported outcome measures, complications, reoperation rates, and hip flexion strength after arthroscopic iliopsoas fractional lengthening. Methods From 2023 to 2025, patients with persistent groin pain after total hip arthroplasty refractory to conservative management ...
Brandon Cabarcas   +7 more
wiley   +1 more source

A New Nonparametric Test of Cointegration Rank [PDF]

open access: yes
This paper suggests a new nonparametric testing procedure for determining the rank of nonstationary multivariate cointegrated systems. The asymptotic properties of the procedure are determined and a Monte Carlo study is carried out.Cointegration rank ...
George Kapetanios
core  

Endoscopic Iliotibial Band Lengthening and Bursectomy Effectively Improve Pain and Function in Patients With Greater Trochanteric Pain Syndrome

open access: yesArthroscopy, Sports Medicine, and Rehabilitation, EarlyView.
Purpose To evaluate patient‐reported outcomes after endoscopic bursectomy and iliotibial band lengthening for the treatment of greater trochanteric pain syndrome. Methods Patients >18 years who underwent endoscopic bursectomy and iliotibial band lengthening for treatment of greater trochanteric pain syndrome were included.
Ashlyn A. Callan   +6 more
wiley   +1 more source

A Nonparametric Approach to Evaluating Inflation-Targeting Regimes [PDF]

open access: yes
We use a variety of nonparametric test statistics to evaluate the inflation- targeting regimes of Australia, Canada, New Zealand, Sweden and the UK. We argue that a sensible approach of evaluation must rely on a variety of methods, among them parametric ...
Weshah Razzak, Rabie Nasser
core  

Patients 40 Years of Age or Older Have Comparable Return to Sport Rates, Reinjury Rates, and 2‐Year Patient‐Reported Outcomes After Medial or Lateral Meniscus Repair Compared With Patients Younger Than 40 Years of Age

open access: yesArthroscopy, Sports Medicine, and Rehabilitation, EarlyView.
Purpose To compare patient‐reported outcomes, return to sport (RTS), and reinjury rates after meniscus repair in patients over and under the age of 40 years old. Methods Meniscus repair cases performed at a single tertiary care center between December 2010 and August 2021 with a minimum 2‐year follow‐up data were reviewed.
Alexander E. White   +7 more
wiley   +1 more source

Does Rational Bubbles Exist in the Taiwan Stock Market? Evidence from a Nonparametric Cointegration Test [PDF]

open access: yes
In this study, we revisit the issue as to the presence of rational bubbles in the Taiwan stock market during the June 1991 to February 2005 period using the Bierens (1997) nonparametric cointegration tests.
Hsu-Ling Chang   +3 more
core  

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