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Consumption risk sharing and self-insurance across provinces in China: 1952–2008

Kenneth Chan (), Jennifer Lai () and Isabel K.M. Yan

China Economic Review, 2014, vol. 30, issue C, 66-85

Abstract: This paper investigates the extent to which idiosyncratic shocks to the permanent income of various provinces in China were mitigated through the channel of provincial risk-sharing during 1952–2008. Taking into account the possibility of self-insurance through saving, we find that provinces in China shared roughly 38% of their idiosyncratic output shocks during the entire sample period. In particular, we show that conventional risk-sharing analysis in the extant literature that does not take into account the self-insurance channel tends to over-estimate the degree of risk sharing by implying a degree of risk sharing of around 54%. Moreover, in view of the major economic reforms that had taken place in the last few decades, we decompose the sample period into two sub-phases: the pre-reform period (1952–1978), the reform period (1978–2008). We find that there is a notable increase in the degree of provincial risk sharing in the reform period. The degree of provincial risk sharing across China is comparable to that across the OECD countries, but falls short of that among the states in the US.

Keywords: Consumption risk sharing; Consumption insurance; Precautionary savings; Permanent income; China (search for similar items in EconPapers)
JEL-codes: C22 C23 F21 (search for similar items in EconPapers)
Date: 2014
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