A nation's production possibilities curve might shift to the left (inward) as a result of: Group of answer choices1. technological advance. 2. increases in the size of the labor force. 3. the depletion of its soil fertility due to overplanting and overgrazing. 4. investing in more capital goods.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link :

answerthe united states of america;

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.