Sergio consumes only beef and snails and is maximizing his utility. If the price of beef is less than the price of snails, then we definitely know that
A) Sergio buys more beef than snails.
B) Sergio buys more snails than beef.
C) the marginal utility from the last pound of beef purchased is greater than the marginal utility from the last pound of snails purchased.
D) the marginal utility from the last pound of snails purchased is greater than the marginal utility from the last pound of beef purchased.
Question 2
There are 6 firms in a market and the market shares of the firms are 40 percent, 30 percent, 10 percent, 8 percent, 7 percent, and 5 percent. The Herfindahl-Hirschman index is
A) 2738.
B) 2664.
C) 100.
D) 88.
The rotifer, Brachionus calyciflorus, is a large predator that consumes the smaller algae, Chlorella
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Phenotypic Variations of Snails