In this paper, the authors focus on seven stock market indexes: two US, three European, one emerging and one Japanese. They select different pairs of markets and, with the help of wavelets, decompose these series at different timescales.
Nobel prize winner Harry Markowitz says alternative investments may not deliver the diversification benefits sought by investors
Yijun Du and Xiaorui Hu present a general framework for applying modern portfolio theory to optimal natural gas procurements. They show that successful natural gas procurement involves determining the optimal allocation between fixed-price and floating…