The average pass rate of plastic shopping bags is 73%. The City Quality Supervision Bureau has supervised the spot checks of 42 batches of plastic shopping bag manufacturers. The main problems are dart impact, thickness average deviation and identification. The failure of dart impact is mainly cau...
. . I, and risk-free assets that produce the risk-free rate return, rf. A risky asset i may pay dividend Dti, and has xis outstanding. A young investor j maximizes utility from old age consumption through optimal allocation of initial resources, wtj, between risky and risk-free assets....