The Production Possibility Curve (PPC) graphically represents the maximum output combinations of two goods that an economy can produce with its available resources and technology.
The slope of the PPC at any given point indicates the opportunity cost of producing one more unit of one good in terms of the other good.
Mathematically, the slope represents the rate at which the output of one good must decrease to increase the output of the other good by one unit.
The Marginal Rate of Transformation (MRT) quantifies this trade-off. It is defined as the ratio of the decrease in the output of one good to the increase in the output of another good.
$ MRT = -\frac{\Delta Y}{\Delta X} $
Where $\Delta Y$ is the change in the quantity of good Y, and $\Delta X$ is the change in the quantity of good X. The negative sign indicates the inverse relationship shown by the downward-sloping curve.
The absolute value of the slope of the PPC represents the marginal rate of transformation, reflecting the actual rate at which the economy can transform one good into another by reallocating resources.
In relation to theory of consumers behaviour, which of the following statements is INCORRECT?
The concept of consumer surplus was propounded by __________.
Goods whose demand varies inversely with income are called ____ goods.
_____ have an income elasticity of demand of between 0 and +1.
According to ____ theory, a consumer will continue to buy such products that will deliver him the most utility or maximum satisfaction at relative prices.