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Journal article

Perpetual learning and apparent long memory

Abstract:
This paper studies the low frequency dynamics in forward looking models where expectations are formed using perpetual learning such as constant gain least squares. We show that if the coefficient on expectations is sufficiently close to unity, perpetual learning induces strong persistence that is empirically indistinguishable from long memory. We apply this result to present value models of stock prices and exchange rates and find that perpetual learning can explain the long memory observed in the data.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.jedc.2018.03.012

Authors


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Institution:
University of Oxford
Division:
SSD
Department:
Economics
Oxford college:
University College
Role:
Author


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Funding agency for:
Mavroeidis, S
Grant:
293675
More from this funder
Funding agency for:
Chevillon, G
More from this funder
Funding agency for:
Chevillon, G


Publisher:
Elsevier
Journal:
Journal of Economic Dynamics and Control More from this journal
Volume:
90
Pages:
343-365
Publication date:
2018-03-31
Acceptance date:
2018-03-23
DOI:
EISSN:
1879-1743
ISSN:
0165-1889


Language:
English
Keywords:
Pubs id:
pubs:835114
UUID:
uuid:89297f88-37da-459e-8f0e-b4302235fe7a
Local pid:
pubs:835114
Source identifiers:
835114
Deposit date:
2018-04-11

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