Full Price Equation
The simple Price equation was based on the assumption that the characters zi do not change over one generation. If it is assumed that they do change, with zi being the value of the character in the child population, then the full Price equation must be used. A change in character can come about in a number of ways. The following two examples illustrate two such possibilities, each of which introduces new insight into the Price equation.
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Famous quotes containing the words full, price and/or equation:
“A beautiful woman peers out her window, as full of envy as the harridan who peers up at her from the street.”
—Mason Cooley (b. 1927)
“A bargain is in its very essence a hostile transaction ... do not all men try to abate the price of all they buy? I contend that a bargain even between brethren is a declaration of war.”
—George Gordon Noel Byron (1788–1824)
“Jail sentences have many functions, but one is surely to send a message about what our society abhors and what it values. This week, the equation was twofold: female infidelity twice as bad as male abuse, the life of a woman half as valuable as that of a man. The killing of the woman taken in adultery has a long history and survives today in many cultures. One of those is our own.”
—Anna Quindlen (b. 1952)