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... B(R(S,q1),q1) to the left of point B. Firms
between $1 and $0, the switch group, are
individually better off producing at the lower level of quality along B(R(S,q0),q0) between points A and
B. As group, all J firms would be better off producing at the higher quality level along B(R(S+J,q1),q1).
Firm ...