问答题 假设街上犯罪的浪潮席卷了全国，使你钱包里的钱更有可能被偷。用鲍莫尔—托宾模型解释(用文字而不用等式)这种犯罪浪潮将如何影响去银行的最优频率与货币需求。
   Suppose that all epidemic of street crime sweeps the country, marking it more likely that your wallet will he stolen. Using the Baumol-Tobin model, explain (in words, not equations) how this crime wave will affect the optimal frequency of trips to the bank and the demand for money.