"One Should Never Bother with WLS

question 4

Essay

"One should never bother with WLS. Using OLS with robust standard errors gives correct inference, at least asymptotically." True, false, or a bit of both? Explain carefully what the quote means and evaluate it critically.

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Definitions:

Predetermined Overhead Rate

An estimated charge per unit of activity used to allocate overhead costs to products or services, calculated before the accounting period begins.

Machine Hours

A measure of the total running time of machinery used in production over a specific period, often used to allocate costs based on machine usage.

Job Cost Sheets

Documents that track the materials, labor, and manufacturing overhead costs incurred for a specific job in a cost accounting system.

Job Order Costing

An accounting method used to track the costs associated with producing a specific batch of products or performing a specific job.