The underlying dynamics of credit correlations

AM Berd, RF Engle, A Voronov - arXiv preprint arXiv:1001.0786, 2010 - arxiv.org
We propose a hybrid model of portfolio credit risk where the dynamics of the underlying
latent variables is governed by a one factor GARCH process. The distinctive feature of such …

A guide to modeling credit term structures

AM Berd - arXiv preprint arXiv:0912.4623, 2009 - arxiv.org
We give a comprehensive review of credit term structure modeling methodologies. The
conventional approach to modeling credit term structure is summarized and shown to be …

Recovery swaps

AM Berd - Available at SSRN 647122, 2004 - papers.ssrn.com
Berd Senior Vice President Lehman Brothers 212-526-2629 arthur.berd@lehman.com …
The convexity premium for the recovery swap rate is intimately related with the DDS digital …

Dynamic estimation of credit rating transition probabilities

AM Berd - arXiv preprint arXiv:0912.4621, 2009 - arxiv.org
We present a continuous-time maximum likelihood estimation methodology for credit rating
transition probabilities, taking into account the presence of censored data. We perform rolling …

Digital premium

AM Berd, V Kapoor - Journal of Derivatives, 2003 - papers.ssrn.com
Digital default swaps are different from conventional (floating recovery) swaps because they
transfer different types of risk. Conventional swaps transfer default loss risk, while digitals …

Defining, estimating and using credit term structures. Part 1: Consistent valuation measures

AM Berd, R Mashal, P Wang - arXiv preprint arXiv:0912.4609, 2009 - arxiv.org
In this three-part series of papers, we argue that the conventional spread measures are not
well defined for credit-risky bonds and introduce a set of credit term structures which correct …

[PDF][PDF] 50-year trends in the incidence of anorexia nervosa in Rochester, Minn.: a population-based study

AR Lucas, CM Beard, WM O'fallon, LT Kurland - Am J Psychiatry, 1991 - Citeseer
Objective: The aim of the study was to determine incidence and prevalence rates and long-term
trends in incidence of anorexia nervosa by identifying all persons residing in the …

The Nature of Alpha

AM Berd - arXiv preprint arXiv:1112.1114, 2011 - arxiv.org
We suggest an empirical model of investment strategy returns which elucidates the importance
of non-Gaussian features, such as time-varying volatility, asymmetry and fat tails, in …

Credit Portfolio Management in a Turning Rates Environment

AM Berd, E Ranguelova, A Silva - Available at SSRN 2364005, 2013 - papers.ssrn.com
We give a detailed account of correlations between credit sector/quality and treasury curve
factors, using the robust framework of the Barclays POINT® Global Risk Model. Consistent …

Quantification of the relationship between insulin sensitivity and β-cell function in human subjects: evidence for a hyperbolic function

…, MW Schwartz, JL Neifing, WK Ward, JC Beard… - Diabetes, 1993 - Am Diabetes Assoc
To determine the relationship between insulin sensitivity and β-cell function, we quantified the
insulin sensitivity index using the minimal model in 93 relatively young, apparently healthy …