Match each of the following characteristics or scenarios with either the term negative externality or the term positive externality.
a. overallocation of resources:
b. tammy installs a very nice front garden, raising the property values of all the other houses on her block:
c. market demand curves are too far to the left (too low):
d. underallocation of resources:
e. water pollution from a factory forces neighbors to buy water purifiers:

you get a crown by getting lots of points and you get points by answering other peoples questions

a

explanation:

i know

1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

                                          hope it

answerreactive approach;