Examlex
The "middle spread," that is the middle 50% of the normal distribution,is equal to one standard deviation.
Public Goods
Are goods that are non-excludable and non-rivalrous, meaning they can be used by anyone without reducing their availability to others.
Positive Externalities
Benefits that an individual or firm's actions impose on others without compensation, leading to socially beneficial outcomes.
Unsafe Intersection
A road junction that presents a higher risk of accidents due to poor design, insufficient visibility, inadequate signage, or other factors.
Traffic Light
A signaling device positioned at road intersections, pedestrian crossings, and other locations to control flows of traffic.
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