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Equation 4 · Comparing the Main Approaches to AI Governance and Regulation

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tit_i

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time-in-force for approach i. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.

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tit_i

Symbol t_i

time-in-force for approach i.

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subscript

subscript

The lower label selects a particular version, component, or indexed member of the quantity. For example, x₀ and xₜ can be values at different positions.

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What the article says around this equation

where tit_i is time-in-force for approach i . When tit_i differs by an order of magnitude or more across the set compared, as it does here, no amount of careful measurement of coverage or enforcement intensity fixes the fact that the outcome variable has not had time to be generated for every entrant. This is why no figure in this article, or elsewhere in this publication, ranks these regimes by effectiveness.

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