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Comparing Expectations and Outcomes: Application to UK Data

Yu, Ge (2003): Comparing Expectations and Outcomes: Application to UK Data.

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The validity of the rational expectations hypothesis is explored using 12 years direct individual expectations data derived from the BHPS. The usage of micro data drives off the possibility of spurious rejections caused by the existence of micro-heterogeneity. And the 12 years BHPS micro panel data can release the average-out problem in a comparatively short term micro panel data. In short, I test if the individual expectations are unbiased and efficient in a comparatively long term in this paper. As a result, expectations errors are found to be biased and inefficient. Furthermore, the hypothesis that expectations errors are random is investigated by exploring the existence of systematic components in expectations errors. There exists the micro-heterogeneity among different types of respondents. Also, the factors that significantly affect individual’s expectations are identified.

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