A positive externality clearly occurs when
A) a person behaves in the public interest.
B) a person's action unintentionally benefits other people.
C) a person behaves only with courtesy and social grace.
D) a person couldn't care less about anybody else.
Question 2
In the economic way of thinking,
A) buyers compete against other buyers, sellers cooperate with other sellers, and buyers cooperate with sellers.
B) buyers cooperate with other buyers, sellers cooperate with other sellers, and buyers compete with sellers.
C) buyers compete against other buyers, sellers compete against other sellers, and buyers cooperate with sellers.
D) buyers cooperate with other buyers, sellers cooperate with other sellers, and buyers cooperate with sellers.
The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken
Constant velocity versus positive velocity
Chlamydospore or spherule that occurs at body temperature.
Negative and positive feedback loops
A mother invests $9000 in a bank account at the time of her daughter's birth. The interest is ...