We discuss when and why custom multi-factor risk models are warranted and give source code for computing some risk factors. Pension/mutual funds do not require customization but standardization. However, using standardized risk models in quant trading with much shorter holding horizons is...

The concept of best-estimate, prescribed by regulators to value insurance liabilities for accounting and solvency purposes, has recently been discussed extensively in the industry and related academic literature. To differentiate hedgeable and non-hedgeable risks in a general case, recent...

Our study examines the behavior of a risk-averse investor who faces two sources of uncertainty: a random asset price and inflation risk. Both sources of uncertainty make it difficult to stabilize consumption over time. However, investors can enter risk-sharing markets, such as futures markets,...

This paper incorporates risk-based margin requirements into portfolio liquidation procedures in a novel fashion. The approach is analytic and, as a result, more efficient than conventional numerical liquidation methods. The margin requirement calculation is a self-contained inner optimization...

The aim of this paper is to test the ability of conditional and unconditional CAPM models to explain emerging markets returns in terms of their integration into the international market. We use data on 5 developed countries and 5 emerging countries as well as data on the Tunis Stock Exchange...

The paper econometricallyestimate investors‘ optimal portfolios are independent of their investmenthorizon. When ex ante diversification is investigated there appears to be no evidence of increased demand for equity over a longer investment horizons in India. That is, in India we obtain a flat...