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Non-Linearities in the Expansion of Capital Stock

Sher Verick (), Wilko Letterie () and Gerard Pfann ()

No 1132, IZA Discussion Papers from Institute of Labor Economics (IZA)

Abstract: The empirical identification of non-linearities in investment relies on how investment is assumed to be separated into various regimes. Using German establishment-level panel data, we estimate a two-regime model of replacement and expansion investment which allows us to observe regime separation, an aspect of the data that is typically absent from previous empirical studies. Our results indicate that firms tend to spread the expansion of capital stock over a period of years rather than concentrating investment in a single year. Moreover, there is evidence that investment is more sensitive to fundamentals in the high regime, where establishments both replace and expand capital stock, than in the low regime, where they only invest in replacement. Finally, correcting for endogenous sample selection indicates that this source of bias does not affect the coefficient estimates significantly.

Keywords: panel data; non-convex adjustment costs; investment; sample selection bias (search for similar items in EconPapers)
JEL-codes: E22 C23 C24 (search for similar items in EconPapers)
Pages: 33 pages
Date: 2004-05
New Economics Papers: this item is included in nep-eec
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Citations: View citations in EconPapers (5) Track citations by RSS feed

Published in: Oxford Bulletin of Economics and Statistics, 2010, 72 (3), 263-280

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