The logical fallacy in the argument is a false dilemma, which restricts options to just two outcomes, ignoring other possibilities.
False dilemma or false dichotomy is the logical fallacy in this argument. This fallacy occurs when only two options are presented while overlooking other possibilities. In this case, the argument falsely presents the scenario as if increasing teachers' pay and reducing their effort due to tenure are the only outcomes, neglecting other potential factors influencing teachers' performance.
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