Though Charles Williams was already an established novelist before his friendship with Lewis blossomed, Lewis played a crucial role in helping to secure an honorary degree and teaching opportunities for Williams when he relocated to Oxford during the war. Their mutual appreciation is well attested to, and it is no exaggeration to say that Lewis…[Read more]

Equity value at risk (VaR) model requires implied volatilities with respect to various indices and maturities, which range from three months to five years. A model is presented for generating a term-structure of implied equity index volatilities for use in calculating VaR.

Since 2016, the academic narrative emerging from the Zora Neale Hurston Festival of the Arts and Humanities in Eatonville, Florida, has increasingly relied on a public scholarship model to bridge the gap between institutional practice and community knowledge. Inspired by Zora Neale Hurston’s legacy as an interdisciplinary scholar, these a…[Read more]

A model is used to price a derivative whose payoff depends on returns over N periods on a shrinking basket of originally N assets. Each period, the worst return is added to the cumulative sum after being capped and floored, and the corresponding asset removed from the basket (hence a shrinking basket). The cap and floor rates are given for each…[Read more]

Credit value at risk (VaR) is used for measuring and analyzing credit risk of a portfolio. The basic methodology of the Credit VaR employs the credit migration approach spearheaded by RiskMetrics. It assumes that obligor’s credit quality is determined by the obligor’s asset value, which in turn is approximated by its standardized equity return.

The Reformed tradition helped provide the rationale for Southern slavery and for South African apartheid. If Reformed theology is going to speak to the racial issues of our day, it must come to terms with the tradition of Black theology. Some Reformed evangelical theologians have begun to engage with the insights of Black theologians, but they…[Read more]