l Market trades and prices bring narrow personal interest into harmony with the general welfare -AS recognized exchange channels desires. -it pays that individual to act as if the happiness of others matters -suppliers will be more responsive to the buyer if they pay the good price l Market prices direct each person to satisfy the needs of others. -consumers act as if they care about their fellow consumers. -actual and expected offers in the marketplace are guidance from the so-called invisible hand l These decisions in turn influence the decisions of others, even those made by other industries. l Higher electricity prices raise the price of AL compared with substitute metals and raise costs for producers. -producers enjoy a advantage and are likely to produce a large share of AL -each consumer makes choices that move sales away from the energy source and toward conservation or substitute energy sources,and toward more efficient one
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