Duesenberry introduced the notion of a ratchet investor who does not tolerate any decline in her consumption rate. We connect the demand behavior of such an agent to the behavior of standard time-additive agents. A ratchet investor demands the running maximum of the optimal plan a conventional time-additive investor with lower initial wealth would choose.
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Paper provided by Bielefeld University, Institute of Mathematical Economics in its series Working Papers with number
394.
Find related papers by JEL classification: D91 - Microeconomics - - Intertemporal Choice and Growth - - - Intertemporal Consumer Choice; Life Cycle Models and Saving
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