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We used F-statistics from the first-stage regression to evaluate the strength of the instrumental variable, with values greater than ten indicating a strong instrument suitable for instrumental variables regression.
"And you've got a strong instrument".
It's like we're playing music — each a strong instrument that works to fit together.
Ms. Sutter used this strong instrument in the world premiere of a new piece by Mr. Glass, "Songs and Poems for Cello," and she tore into the opening, grabbing handfuls of notes, while the cello richly savored the music, now declaiming, now singing and occasionally squawking at a moment of particular intensity.
According to Phylemon Odhiambo Okoth, artistic director and trainer at the Kenya Institute of Puppet Theatre, who visited Soroti last month for the training session, puppets are a strong instrument for development communication and can drive home messages more than the spoken word.
We chose an especially valid and strong instrument: cigarette price.
Similar(35)
This is not only because such states possess strong instruments of repression.
"The government does not have as strong instruments to influence consumption," as Yu says.
However, this guideline refers only to strong instruments.
However, the absence of strong instruments demands circumspection in regard to the final set of empirical results reported here.
The suggested threshold for identifying strong instruments is an F value of 10 (Stock et al. 2002; Stock and Yogo 2005).
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com