This paper presents a pair of models of the storage of maize. One is directly based on standard financial models of portfolio choice. Rather than optimally balancing a financial portfolio by choosing from a variety of financial instruments, our agents optimize holdings of maize by choosing from...

Purpose – The purpose of this paper is to discuss issues relating to stress testing methods for credit risks in banks. Also, it suggests a solution to bank supervisors on evaluating stress test results. Design/methodology/approach – Discussion is based on cases analysis on a stress period of...

Numerical Techniques in Finance is an innovative book that shows how to create, and how to solve problems in a wide variety of complex financial models. All the models are set up using Lotus 1-2-3; some of the advanced models also make use of Lotus macros. Using the models set out in the book,...

Marketers are under a thorough examination of the higher management to empirically prove the benefits of various investments into marketing activities. The effects of allocating resources to increase brand variables is commonly measured by determining the value of a brand or a brand equity....

The current financial crisis motivates the study of correlated defaults in financial systems. In this paper we focus on such a model which is based on Markov random fields. This is a probabilistic model where uncertainty in default probabilities incorporates expert's opinions on the default risk...

This study examines evidence of structural breaks in models of predictable components in stock returns related to state variables such as the lagged dividend yield, Treasury bill rate, term spread and default premium. We examine a large set of size-and-industry-sorted profolios of US stocks as...

This essay contributes to observation theory by commenting on Esposito’s paper, «Economic circularities and second-order observation: the reality of ratings». The key question of that paper is summarized as: How does one calculate in the Keynesian third degree (attempting to ascertain what...