Sample selection in the estimation of air bags and seat belt effectiveness
By: Steven D. Levitt, Jack Porter.
Contributors: Porter, Jack Ray.; National Bureau of Economic Research.
Series: NBER working paper series -- working paper 7210; Working paper series (National Bureau of Economic Research) -- working paper no. 7210.
Publisher: National Bureau of Economic Research
Published: 1999
Place of publication: Cambridge, MA
Language: eng
Number of pages: 24
Subjects: Air bag restraint systems -- United States -- Reliability -- Econometric models.; Automobiles -- United States -- Seat belts -- Reliability -- Econometric models.
Other titles: Estimation of air bag and seat belt effectiveness; Air bag and seat belt effectiveness
Notes: "July 1999."

JEL no. C20, R40.

Includes bibliographical references.

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Electronic version available via the Internet at the NBER World Wide Web site.