We formulate a decision model that accommodates correlation ambiguity between the insurer’s surplus and stock return processes and study its implications for the insurer’s asset allocation rule. The ambiguity-averse insurer invests more conservatively in the stock compared to an otherwise...

Measurement uncertainty is as important as measurement in metrology and industry. The GUM and its supplements provide a widely accepted framework for evaluating measurement uncertainty; but don't provide a reasonable assessment method for some special circumstances, especially for dynamic...

In the post-WWII (since the 1950s), there have been over 400 banking, currency, and sovereign debt crises, which translates to about 10 crises per annum; furthermore, the combined cost of the last five crises since the late 1990s is in excess of $30 trillion, but when the cost of the COVID-19...

In this article we introduce a new framework for counterparty risk model backtesting based on Bayesian methods. This provides a conceptually sound approach for analyzing model performance which is also straightforward to implement. We show that our methodology provides important advantages over...

This paper studies how to construct and compare various optimal portfolio frame-works for investors in the context of the Vietnamese stock market. The aim of the study is to help investors to find solutions for constructing an optimal portfolio strategy using modern investment frameworks in the...

With the use of empirical data, this paper focuses on solving financial and investment issues involving extremal dependence of 10 pairwise combinations of the 5 BRICS (Brazil, Russia, India, China, and South Africa) stock markets. Daily closing equity indices from 5 January 2010 to 6 August 2018...