If the spherical errors assumption fails to hold, there are two problems with OLS. There is a better estimator available—one that is still unbiased, but is less sensitive to sampling variation (i.e., has lower standard errors). The formula we use to estimate the standard errors of OLS is invalid. Our confidence intervals and hypothesis tests will (usually) be overconfident, overstating the precision of our results. Spherical errors fails when we have either or both of: Heteroskedasticity and Autocorrelation
The current PCA Framework was revised in which year?
What does BRSR stand for in the context of SEBI's disclosure requirements for ESG responsibilities?
The size of the order for which both ordering and carrying cost are at minimum is known as:
`Which of the following financial reports are considered to be of lowest quality? Financial reports that reflect:
Which company received final authorization recently (June 2024) from the RBI to operate as an online payment aggregator?
Which among the following can be utilized for Buy Back of shares of an organisation?
What was the purpose of the Local Currency Settlement System (LCSS) introduced between India and UAE?
How much did the State Bank of India (SBI) raise through its sixth infrastructure bond issue?
What is Policy Repo Rate, as of October 2022?
_________ is the ratio of provisioning to gross non-performing assets and indicates the extent of funds a bank has kept aside to cover loan losses.