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Optimal retirement time under habit persistence: what makes individuals retire early?

Abstract As the effective labor market exit observed in most OECD countries is lower than the corresponding official retirement age, the question concerning the driving factors for an early retirement decision arises. This paper incorporates the optimal retirement decision in an optimal consumption and asset allocation problem in order to analyze, among others, the effect of habit forming preferences and diverse leisure preferences for earlier retirement. We compare two possible situations for the retirement phase: (a) the individual is allowed to freely consume and invest; (b) he annuitizes his wealth at retirement and consumes the annuity income. We find that early retirement is optimal if leisure gain through earlier retirement is highly appreciated or the standard of living (habit level) is low. Additionally, our numerical results show that high initial wealth or low labor income lead to early retirement, confirming observations of Fields & Mitchell.