When the economy is poor, the burden of fixed rent-seeking costs on producers drives surpluses even lower.

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Her tenants pay a fixed rent, rather than sharing crop proceeds.

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Determine after fixed expenses (rent, phone, etc) how much spare cash you have per day.

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If income is declining, which it is both because vacancy rates are rising and also because local councils are cutting the amounts they are willing to pay for care, labour is a fixed cost, then obviously rent needs to be reduced to avoid bankruptcy.

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