For each of the following scenarios, use the graphical depiction of the Malthusian model to illustrate what happens to a country’s population size and per-capita income in the short run and in the long run. a. Scientists discover a new strain of wheat that can produce twice as much grain per acre. 
 b. A war kills half of the population. 
 c. A volcanic eruption kills half the people and 
destroys half the land.

Q: positive or normative.

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Welfare Analysis

Welfare analysis of the society is related to welfare economics. From the economic point of view former welfare economics refers to that subject which uses the techniques of microeconomics to analyse and evaluate the welfare at the economic or aggregate level.