Measures the sensitivity of price to income, and is calculated using the equation (?P/P)/(?I/I), or (I/P)?(?P/?I).
Measures the sensitivity of quantity demanded to income, and is calculated using the equation (?Q/Q)/(?I/I), or (I/Q) ? (?Q/?I).
Measures the sensitivity of quantity demanded to income, and is calculated using the equation (?I/I)/(?Q/Q), or (Q/I) ? (?I/?Q).
Measures the sensitivity of income to quantity demanded, and is calculated using the equation (?I/I)/(?Q/Q), or (Q/I) ? (?I/?Q).