Abstract
In this paper, we test the Prebish-Singer (PS) hypothesis, which states that real commodity prices decline in the long run, using two recent powerful panel data stationarity tests accounting for cross-sectional dependence and a structural break. We find that the hypothesis cannot be rejected for most commodities other than oil.
Original language | English |
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Pages (from-to) | 814-816 |
Number of pages | 3 |
Journal | Economics Letters |
Volume | 117 |
Issue number | 3 |
DOIs | |
Publication status | Published - 01 Dec 2012 |
ASJC Scopus subject areas
- Finance
- Economics and Econometrics