Specific rotation is the angle or the optical rotation that occurs for a specific substance (solution, crystal etc.) when light passes thought it for 1 decimetre (0.1 metres) Source(s): http://en.wikipedia.org/wiki/Specific_rotation.
Definition of ceteris paribus. Ceteris paribus is a Latin phrase meaning âall other things remaining equalâ. The concept of ceteris paribus is important in economics because in the real world it is usually hard to isolate all the different variables. An increase in interest rates will âceteris paribusâ cause demand for loans to fall. (Higher interest rates increase the cost of borrowing so there will be less demand for loans.
In economics, income elasticity of demand measures the responsiveness of the quantity demanded for a good to a change in the income of the people demanding the good, ceteris paribus.It is calculated as the ratio of the percentage change in quantity demanded to the percentage change in income.nitary income elasticity of demand: In this case increase in income is accompanied by same proportionate increase in quantity demanded. Here the value of coefficient Ey is equal to unity (Ey=1). E.g.: 10% increase in quantity demanded due to 10% increase in income.