User profiles for Jeff Jewell

Jeff Jewell

Professor of Finance, Lipscomb University
Verified email at lipscomb.edu
Cited by 646

Joint Analysis of BICEP2/Keck Array and Planck Data

…, H Hui, G Hurier, KD Irwin, AH Jaffe, TR Jaffe, J Jewell… - Physical review …, 2015 - APS
We report the results of a joint analysis of data from BICEP2/Keck Array and Planck. BICEP2
and Keck Array have observed the same approximately 400 deg 2 patch of sky centered on …

Planck 2013 results. XV. CMB power spectra and likelihood

…, G Hurier, AH Jaffe, TR Jaffe, J Jewell… - Astronomy & …, 2014 - aanda.org
This paper presents the Planck 2013 likelihood, a complete statistical description of the two-point
correlation function of the CMB temperature fluctuations that accounts for all known …

A comparison of bond ratings from Moody's S&P and Fitch IBCA

J Jewell, M Livingston - Financial Markets, Institutions & …, 1999 - Wiley Online Library
Previous research has found that the bond market values the ratings of Moody's and
Standard & Poor's. This paper extends earlier research by comparing the ratings of Moody's, …

Split ratings, bond yields, and underwriter spreads

J Jewell, M Livingston - Journal of Financial Research, 1998 - Wiley Online Library
A split bond rating occurs when Moody's and Standard & Poor give different ratings to the
same issue. We examine 1,277 public industrial bond issues, where 221 have split ratings, …

What is your ROA? An investigation of the many formulas for calculating return on assets

JJ Jewell, JA Mankin - Academy of Educational Leadership …, 2011 - papers.ssrn.com
This paper compares the eleven different versions of computing return on assets that can be
found in current business textbooks. To illustrate the practical differences between the …

Wavefront sensing and control in space-based coronagraph instruments using Zernike's phase-contrast method

…, C Coker, P Chen, B Crill, J Jewell… - Journal of …, 2020 - spiedigitallibrary.org
Future space telescopes with coronagraph instruments will use a wavefront sensor (WFS) to
measure and correct for phase errors and stabilize the stellar intensity in high-contrast …

Vortex coronagraphs for the Habitable Exoplanet Imaging Mission concept: theoretical performance and telescope requirements

…, D Mawet, B Mennesson, J Jewell… - Journal of …, 2018 - spiedigitallibrary.org
The Habitable Exoplanet Imaging Mission concept requires an optical coronagraph that
provides deep starlight suppression over a broad spectral bandwidth, high throughput for point …

Proteins in natural waters and their relation to the formation of chlorinated organics during water disinfection

FE Scully, GD Howell, R Kravitz, JT Jewell… - … science & technology, 1988 - ACS Publications
Solutions of model proteins were chlorinated and found" to produceyields of trihalomethanes
and total organic chloride comparable to a humic acid. The concentrations of proteins (total …

[HTML][HTML] 2023 Astrophotonics Roadmap: pathways to realizing multi-functional integrated astrophotonic instruments

…, M Ireland, R Jenson-Clem, J Jewell… - Journal of Physics …, 2023 - iopscience.iop.org
Photonic technologies offer numerous functionalities that can be used to realize astrophotonic
instruments. The most spectacular example to date is the ESO Gravity instrument at the …

Optimal estimation of spectral surface reflectance in challenging atmospheres

…, ML Eastwood, RO Green, JM Hobbs, JB Jewell… - Remote Sensing of …, 2019 - Elsevier
Optimal Estimation (OE) methods can simultaneously estimate surface and atmospheric
properties from remote Visible/Shortwave imaging spectroscopy. Simultaneous solutions can …