A．The ledger is correct.B．A journal entry is not posted.C．An error or errors have been

A．The balance sheet would be correct．

B．All ledger account balances are correct．

C．All entries from the journal have been posted to the ledger correctly．

D．The total debit entries and total credit entries are equal．

A.xtgls lnc lnp lnpmin lny state2-state10 t,corr(ar1) panels(correlated)#B.xtgls lnc lnp lnpmin lny state2-state10 t,corr(psar1) panels(correlated)#C.xtgls lnc lnp lnpmin lny state2-state10 t,corr(ar1) panels(heteroskedastic)#D.以上选项均不正确

股票之间的相关系数如下：Corr(A，B)=0.85；Corr(A，C)=0.60；Corr(A，D)=0.45。每种股票的期望收益率为8%，标准差为20%。如果投资者的全部资产现在由股票A组成，并且只被允许选取另一种股票组成资产组合，投资者将会选择()。

A．B

B．C

C．D

D．B或C

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C.xtpcse lnc lnp lnpmin lny state2-state10 t, corr(psar1)

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