Ultimately, losses as a result of "avoidance behavior" would be the most costly to local economies -- nearly two-thirds of total losses, the World Bank estimates.

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This resistance can range from fairly subtle, such as avoidance or passive aggressive behavior, all the way to outright defiance, hostility, and sabotage.

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How do we grapple with these tough behavior problems rooted in avoidance and personal conflict?

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But in recent years, interest shifted to collision avoidance, hence the focus on driver behavior, the primary cause of most crashes, Dr. Campbell said.

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