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BACKGROUND Sedating antihistamines may impair driving performance as seriously as alcohol. OBJECTIVE To compare the effects of fexofenadine, diphenhydramine, alcohol, and placebo on driving performance. DESIGN Randomized, double-blind, double-dummy, four-treatment, four-period crossover trial. SETTING The Iowa Driving Simulator. PARTICIPANTS 40(More)
Don Schwab for their helpful comments on earlier versions of this manuscript. Abstract Research on the governance of risky ventures, like the initial public offerings (IPOs) of high technology firms, has focused primarily on the relationship between governance mechanisms and firm performance. While such an emphasis is clearly important, it does little to(More)
This group considered various problems associated with Ada's concept of time. These include different notions of time, the effect of clock adjustments, relative versus absolute delays, reliable periodic execution, time-outs, and watchdog timers. The working group participants were: The group began with a list of perceived time-related problems or(More)
Entrepreneurship scholarship, with opportunity as its defining characteristic, would benefit from an appraisal of Howard Stevenson's (1983) definition that " Entrepreneurship is the process by which individuals pursue opportunities without regard to the resources they currently control. " We analyze three stories from Allen (2001) to generate insights into(More)
— We examine institutional and organizational influences upon information exchange and governance structures within R&D consortia in the United States and Japan. We hypothesized that national differences in institutional environments would lead to less active governance and information-exchange activities within Japanese R&D consortia relative to their U.S.(More)