Suppose We Observe a Decrease in the Equilibrium Price of Tuna

question 130

Multiple Choice

Suppose we observe a decrease in the equilibrium price of tuna and an increase in the equilibrium quantity of tuna. This is best explained by:

• A)a decrease in the cost of fuel used by tuna fishing boats.
• B)a decrease in the tuna population in the oceans.
• C)a decrease in the expected future price of tuna.
• D)an increase in the price of salmon, a substitute for tuna.

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Definitions:

Myofibril

Specific muscle cell organelle containing a linear arrangement of sarcomeres, which shorten to produce muscle contraction.

Sarcomeres

The basic contractile unit of muscle fiber, consisting of actin and myosin filaments between two Z-lines.

Myofilaments

Protein filaments consisting of actin and myosin that are the primary components of muscle contraction.

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays key roles in arousal, attention, memory, and muscle activation.