What is a linear variable cost? As long as a cost driver is constant, it is a linear variable. Variable costs are classified in a variety of ways, but linear variable costs have the most distinctive ...

Capture relationships between data sets by graphing linear equations in Microsoft Excel 2007. Linear equations allow you to predict values within your data set and view the overall trend. Use ...

Let K be a field of characteristic 0 and let n be a natural number. Let Γ be a subgroup of the multiplicative group (K*) n of finite rank r. Given a1,..., an ∈ K* write A(a1,..., an, Γ) for the number ...

Andriy Blokhin has 5+ years of professional experience in public accounting, personal investing, and as a senior auditor with Ernst & Young. Thomas J Catalano is a CFP and Registered Investment ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. David is comprehensively experienced in many facets of financial ...

Causal inference is known to be very challenging when only observational data are available. Randomized experiments are often costly and impractical and in instrumental variable regression the number ...