Her father is Robert Ellis Silberstein (Jewish). Her mother is Diana Ross (African-American).
If the cross price elasticity is positive, then we call such goods Substitutes (example: pizza and burgers -- you usually consume either or). The income elasticity of demand measures the change in the quantity demanded of some good, when the income changes, holding everything else constant.For example you can measure what happens to the demand for expensive red wine when income increases.f the cross price elasticity is positive, then we call such goods Substitutes (example: pizza and burgers -- you usually consume either or). The income elasticity of demand measures the change in the quantity demanded of some good, when the income changes, holding everything else constant.
The aggregate demand curve, which illustrates the total amount of goods and services demanded in the economy at a given price level, slopes downward because of the wealth effect, the interest rate... The aggregate demand curve, which illustrates the total amount of goods and services demanded in the economy at a given price level, slopes downward because of the wealth effect, the interest rate... Star Gazing