In this paper we argue that allowing for uncertainty resolves the controversy over the importance of life-cycle and bequest saving by showing that these motives for saving are overlapping and cannot generally be distinguished.
Dynan, Karen, Jonathan Skinner, and Stephen Zeldes. "The Importance of Bequest and Life-Cycle Saving in Capital Accumulation: A New Answer." American Economic Review 92, no. 2 (May 2002): 274-78.
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