In discussing political correctness, Barbour and Wright state that an example of this phenomenon is ( c )<u> literacy tests that prevent uneducated citizens </u>from voting .
Explanation:
In america before 1970, their existed issues pertaining to the voting rights and in many states of america the people who wanted to cast their votes where asked to undergo a literacy test.
It is not always right to do it.
When individuals engage in a behavior because they enjoy it,
they are likely to be or have an intrinsic motivation or they are intrinsically
motivated. An intrinsic motivation enables an individual to be driven with
motivation because of the rewards that comes within them or in an internal way.
The signal would be: prices.
When the prices of a certain product is high, it would give signals to the seller to increase the production of that product.
the prices also determine how much material and type of production technique that the sellers can afford to use.
