Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/167546
Authors: 
Bartram, Söhnke M.
Brown, Gregory
Stulz, René M.
Year of Publication: 
2017
Series/Report no.: 
CESifo Working Paper 6560
Abstract: 
From 1963 through 2015, idiosyncratic risk (IR) is high when market risk (MR) is high. We show that the positive relation between IR and MR is highly stable through time and is robust across exchanges, firm size, liquidity, and market-to-book groupings. Though stock liquidity affects the strength of the relation, it is strong for the most liquid stocks. The relation has roots in fundamentals. Higher market risk predicts greater idiosyncratic earnings volatility as well as dispersion and errors in analysts’ earnings forecasts. Firm characteristics related to the ability of firms to adjust to higher uncertainty help explain the strength of the relation. We find evidence that the relation is weaker for firms with more growth options, which is con-sistent with the view that such options provide a hedge against macroeconomic uncertainty.
Subjects: 
uncertainty
idiosyncratic risk
market risk
growth options
liquidity
limits to arbitrage
JEL: 
G10
G11
G12
Document Type: 
Working Paper

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