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Bubble measures in experimental asset markets
被引:143
作者:
Stoeckl, Thomas
[1
]
Huber, Juergen
[1
]
Kirchler, Michael
[1
,2
]
机构:
[1] Univ Innsbruck, Sch Management, Dept Banking & Finance, A-6020 Innsbruck, Austria
[2] Univ Gothenburg, Ctr Finance, S-40530 Gothenburg, Sweden
关键词:
Experimental economics;
Asset market;
Bubble;
Bubble measure;
CRASHES;
EXPECTATIONS;
INFORMATION;
D O I:
10.1007/s10683-010-9241-9
中图分类号:
F [经济];
学科分类号:
02 ;
摘要:
We review bubble measures which are commonly used in the experimental asset market literature. It seems sensible to require that measures of mispricing should (i) relate the fundamental value and price, (ii) be monotone in the difference between fundamental value and price, and (iii) be independent of the total number of periods and the absolute level of fundamental value. We show that none of the measures currently used fulfills all these criteria. To facilitate comparability across different experimental settings with different parameterizations we propose two alternative measures which fulfill all evaluation criteria. The measure for mispricing, RAD (relative absolute deviation), is calculated by averaging absolute differences between the (volume-weighted) mean price and the fundamental value across all periods and normalizing it with the absolute value of the average FV of the market. The measure for overvaluation, RD (relative deviation), is calculated analogously, but uses raw difference between (volume-weighted) mean prices and fundamental values. Hence, it provides information on whether the mispricing stems from over- or undervaluation of the asset.
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页码:284 / 298
页数:15
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