background: although visual impairment of drivers is a very important risk factor for car accident, a few published papers have explored this issue in iran. this study aims to evaluate the visual fitness of public vehicle drivers in kerman province, southeast of iran. methods: a total of 4,003 public vehicle drivers were examined by one ophthalmologist for visual fitness in kerman province betw...

Government can sabotage itself. From the president’s choice of agency heads to budgets, regulations, and litigating positions, presidents their appointees have undermined very programs they administer. But why would an try put itself out business? And how agencies that are subject array political legal checks statutory programs? This Article offers account “what, why, how” administrative answer...

We show that the incentives a vertically integrated supplier may have to disadvantage or “sabotage” the activities of downstream rivals vary with both the type of sabotage and the nature of downstream competition. Cost-increasing sabotage is typically profitable under both Cournot and Bertrand competition. In contrast, demand-reducing sabotage is often profitable under Cournot competition, but ...

This paper looks at how organisations can become more sophisticated at supporting knowledge sharing, by identifying antecedents of knowledge sharing. The paper contributes to the literature in two ways: it develops a comprehensive model of antecedents of knowledge sharing that differentiates between three categories of antecedents: people infrastructure, organisational infrastructure and knowle...