Which of the following is an example of self-interest that attempts to promote the public interest?
a mother prevents her children from becoming vaccinated against measles, mumps, and rubella because of fears of autism.
the president of the united states restricts american consumers from buying foreign-made products.
an entrepreneur risks his life savings to open up a grocery store in an underserved area.
the new york yankees beat the boston red sox.

The president of the United States restricts American consumers from buying foreign-made products

Explanation:

Self interest is an action taken by an individual solely for his personal benefit. The opposite of self interest is public interest, public interest is individual action that tend to benefit the general public.

The directive from the president of the United States restricting consumers from buying foreign-made products is an action that will protect the individual citizens from the harmful effect of foreign goods as well improve the economic condition of united states, this may be in the area of encouraging the home industry, improved trade balance, foreign exchange management, e.t.c.

answer; ///product strategy;

the answer is "b.the increased supply will create a surplus. "

the essential thought behind price controls is straightforward - utilize the power of law to modify the equilibrium of a market. for instance, the legislature may choose that the steel business needs to survive, and in this way pass a law to set a value floor on steel. this implies all steel sold must offer at or over the floor value, which must be set over the equilibrium cost for it to have any impact. the switch could likewise happen - the administration can choose that steel is excessively costly and set a value roof underneath its equilibrium value, with the goal that all steel must be sold at or beneath that ceiling.