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Why Does a Downward-Sloping Phillips Curve Imply a Positive Sacrifice

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Why does a downward-sloping Phillips curve imply a positive sacrifice ratio?


Definitions:

Lactate

A compound produced during anaerobic metabolism that can be used as a fuel by the heart and other muscles.

Slow Fibers

Slow fibers are a type of muscle fiber that contract slowly and are stamina-oriented, relying on aerobic metabolism for energy, making them resistant to fatigue.

Fast Fibers

Muscle fibers characterized by quick contractions and a capacity for rapid, forceful movements but have lower endurance compared to slow fibers.

Excitation-Contraction Coupling

The physiological process that links muscle fiber excitation to muscle contraction, primarily in skeletal and cardiac muscles.

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