What is Heteroskedasticity Recall the assumption of homoskedastic implied that conditional on the explanator variables the variance of the unobserved error u was constant If this is not true that is if the variance of u is different for different values of thex's. then the errors are heteroskedastic
Security valuation In general, the intrinsic value of an asset= the present value of the stream of expected cash flows discounted at an appropriate required rate of return
Service times Poisson arrivals at rate n Service time has arbitrary distribution with given E[X] and E[X2I Service times are independent and identically distributed (ID) Independent of arrival times E[service time]=1/u Single Server queue
Task Team of FUNDAMENTAL ACCOUNTING School of Business, Sun Yat-sen University Lesson 8 Accounting Information System Exercise Matching For each numbered item, choose the appropriate journal and write the identifying letter Bought merchandise on accou