Financial institutions invest in financial securities like equities, options andgovernment bonds. Two measures, namely return and risk, are associated witheach investment position. Return is a measure of the profit or loss of theinvestment, whilst risk is defined as the uncertainty about...

An overview of modern and historical interest rate model theory is given with thespecific aim of derivative pricing. A variety of stochastic interest rate models arediscussed within a South African market context. The various models arecompared with respect to characteristics such as mean...

Extremes are unusual or rare events. However, when such events – for exampleearthquakes, tidal waves and market crashes - do take place, they typically causeenormous losses, both in terms of human lives and monetary value. For this reason,it is of critical importance to accurately model...

ENGLISH ABSTRACT: The aim of this study is to obtain estimates and confidence intervals for welfareindices under complex sampling. It begins by looking at sampling in general withspecific focus on complex sampling and weighting. For the estimation of the welfareindices, two resampling...