NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Tax-Motivated Trading by Individual Investors

Zoran Ivkovich, James Poterba, Scott Weisbenner

NBER Working Paper No. 10275
Issued in February 2004
NBER Program(s):   PE

We use data on the stock trades of a large number of individual investors to study how tax incentives affect the realization of capital gains and losses. We compare investors' realizations in their taxable and tax-deferred accounts, which allows us to identify tax-motivated trading. We reach three conclusions. First, we find a strong lock-in effect for capital gains in taxable accounts relative to tax-deferred accounts. The capital gains lock-in effect is stronger for large than for small transactions, and it intensifies at longer holding periods. Second, we find tax-loss selling throughout the calendar year, though it is most pronounced in December, particularly if the investor has realized capital gains elsewhere in the portfolio during the year. Third, we observe substantial heterogeneity in individual investors' propensity to trade. Controlling for this heterogeneity, however, does not alter the relationship between a stock's past performance and the realization decision.

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Document Object Identifier (DOI): 10.3386/w10275

Published: Zoran Ivković & James Poterba & Scott Weisbenner, 2005. "Tax-Motivated Trading by Individual Investors," American Economic Review, American Economic Association, vol. 95(5), pages 1605-1630, December. citation courtesy of

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