Equation 2 · Part 1 · Selection Accounting: The Price Equation Runs the Economy

Symbol z_i

z_i

z_i

What this part means

$z_i$ is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

$z_i$ is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Full expressionSymbol z_iArticle meaning

Price’s identity, applied to firms with market shares $s_i$ and log-productivity values $z_i$ , reads:

A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

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