Re-estimation of the savings retention coefficient in OECD countries: a new measure of home country bias

Harutaka Takahashi

Journal of Economic Structures, 2023, vol. 12, issue 1, 1-19

Abstract: Abstract The recent home bias is primarily related to the equity bias as measured by the international capital asset pricing model (CAPM); this measure has declined over the past two decades amid financial globalization, but remains high in most developed countries. The key to understanding this puzzling phenomenon lies in how accurately this indicator can be predicted. In this paper, we propose to use the savings retention coefficient estimated by the Feldstein–Horioka (F–H) regression as a cross-country measure of home bias. We re-estimate the savings retention coefficient based on an estimation model in which the FH regression is embedded in the model derived from Tobin's q-theory of saddle-road dynamics of investment under convex adjustment costs. We then use dynamic panel estimation to estimate the new measure in OECD countries. The main empirical results are as follows. The new measure of home country bias, such as the equity bias measure, declined steadily until 2008, but recovered to the level of the 60 s and 70 s after the 2008 financial crisis. Interestingly, people expected home country bias to be very high after the financial crisis, but in fact it simply returned to its previous level.

Keywords: Savings retention coefficient; Financial globalization; Equity home country bias measure (EHB); Home country bias measure (HBM); Tobin’s q-theory; Dynamic panel estimation (DPE) (search for similar items in EconPapers)
JEL-codes: C23 F21 F32 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1186/s40008-023-00310-1

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