Then, this chapter analyses economic theoretical foundations in the existence of the financial conglomerates: large-scaleproduction, range economy, coordination effect and risk dispersion.
接着本章分析了金融集团存在的经济理论基础:规模经济、范围经济、协同效应和分散风险四个方面。
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The results show that the blast hole diameter has little effect of the vibration level in production blasting, and the other factors should be considered in largescale delay blast design.