BACKGROUND In 2013, Fannie Mae and Freddie Mac both released loan-level origination
and performance data on their historical books of business. Prior to this release, analysts …

In 2013, the government-sponsored enterprises (GSEs) began issuing credit risk transfer (CRT)
transactions in order to transfer some of the credit risk on the mortgages they were …

observe that under the CCAR.“Severe Adverse” scenario, only the most subordinate tranche
of the CRT transactions would be written down and see negative returns, while all investor-…

Objective: Competition for placental amino acid transporters can affect the fetal supply of
amino acids. Specifically, the branched-chain amino acids—isoleucine, leucine, and valine—…

… Anderson, Scott, and Janet Jozwik [4] propose a framework for developing a credit model
based on this dataset. For a 180-days delinquent target event, the authors conclude that much …

The HIV intasome is a large nucleoprotein assembly that mediates the integration of a DNA
copy of the viral genome into host chromatin. Intasomes are targeted by the latest generation …

Much has been written about the 2007-2009 credit crisis, and for good reason--it touched off
a major global recession and created widespread economic distress not seen since the …

INTRODUCTION Even with intimate exposure to a virus, some people fail to become infected.
Variable transmission partly depends on the dose and duration of exposure but is also …

Syria looks very different today than it did nine years ago. Nearly a decade of violent civil war
has cost the Syrian people an unimaginable price: their livelihoods, their opportunities, and …

This paper presents renewed empirical credit risk measures using the Freddie Mac’s single
family mortgage loan-level dataset, released in 2013. In the aftermath of the last global crisis, …