.... Then, the results were used to simulate the customers’ future buying behaviour and associated returns via the Monte Carlo simulation approach. Subsequently, the mean-variance portfolio optimization model was applied to find the optimal customer portfolio mix. Findings The results illustrated the better...

... the natural logarithm of the portfolio value at time t. © Emerald Group Publishing Limited 2008 Monte Carlo simulation Contracts China Risk management Construction works Infrastructure services including electricity, water, roads, ports and airports are vital to the operation...