Conditioning manager alphas on economic information: Another look at the persistence of performance

JA Christopherson, WE Ferson… - The Review of …, 1998 - academic.oup.com
This article presents evidence on persistence in the relative investment performance of large,
institutional equity managers. Similar to existing evidence for mutual funds, we find …

Inhibition of Interleukin-17 Prevents the Development of Arthritis in Vaccinated Mice Challenged with Borrelia burgdorferi

…, DJ DeCoster, JA Christopherson… - Infection and …, 2003 - Am Soc Microbiol
We showed that Borrelia burgdorferi-vaccinated interferon gamma-deficient (IFN-γ 0 ) mice
challenged with the Lyme spirochete developed a prominent chronic severe destructive …

Bipolarity and bipolarization in the Cold War era: Conceptualization, measurement, and validation

…, WR Thompson, JA Christopherson - Journal of Conflict …, 1979 - journals.sagepub.com
There is little consensus and some degree of confusion over the meanings of the polarity and
polarization concepts. An argument is advanced for viewing these phenomena as distinctly …

Performance evaluation using conditional alphas and betas

JA Christopherson, WE Ferson… - Journal of Portfolio …, 1999 - search.proquest.com
Unconditional measures can incorrectly measure alpha and beta when portfolio managers
engage in dynamic trading strategies or change their alphas and betas in response to …

Equity style classifications

JA Christopherson - Journal of Portfolio Management, 1995 - search.proquest.com
The 2 primary approaches currently in use for style identification and classification are: 1. an
evaluation of the manager's investment process and equity portfolio characteristics, and 2. …

Occurrence of Severe Destructive Lyme Arthritis in Hamsters Vaccinated with Outer Surface Protein A and Challenged with Borrelia burgdorferi

…, EL Munson, SD Lovrich, JA Christopherson… - Infection and …, 2000 - Am Soc Microbiol
Arthritis is a frequent and major complication of infection withBorrelia burgdorferi sensu
stricto. The antigens responsible for the induction of arthritis are unknown. Here we provide …

Destructive Arthritis in Vaccinated Interferon Gamma-Deficient Mice Challenged with Borrelia burgdorferi: Modulation by Tumor Necrosis Factor Alpha

JA Christopherson, EL Munson… - Clinical and Vaccine …, 2003 - Am Soc Microbiol
We found that Borrelia burgdorferi-vaccinated gamma interferon-deficient (IFN-γ 0 ) mice
challenged with B. burgdorferi developed prominent chronic destructive osteoarthropathy. …

Structural analysis of transaction systems: vertical fusion or network complexity?

JA Christopherson - Journal of Conflict Resolution, 1976 - journals.sagepub.com
This paper compares Galtung's theory of imperialism with the more complex global network
views of Dominguez. Galtung's theory states that economic, political, military, and cultural …

[HTML][HTML] Evaluation of a new, highly flexible radiofrequency coil for MR simulation of patients undergoing external beam radiation therapy

…, RJ Witte, PJ Rossman, JA Christopherson… - Journal of Clinical …, 2022 - mdpi.com
Purpose: To evaluate the performance of a new, highly flexible radiofrequency (RF) coil
system for imaging patients undergoing MR simulation. Methods: Volumetric phantom and in …

Volatility and predictability of manager alpha

JA Christopherson, AL Turner - Journal of Portfolio …, 1991 - search.proquest.com
If there is no information in an investment manager's past performance about likely future
performance, then collecting data and analyzing historical performance is a useless enterprise, …