Hedging and Taking Risk: On the Role of Derivatives and Stock Options

Investment Research & Analysis Journal, Vol. 1, No. 2, Fall 2006

24 Pages Posted: 4 Apr 2007

See all articles by Mikiharu Noma

Mikiharu Noma

Hitotsubashi University - Graduate School of International Corporate Strategy

Abstract

This paper empirically examines the relation between the use of derivatives and the risk level of firms in a sample of 431 large Japanese nonfinancial firms. Previous studies investigating whether firms systematically reduce or increase their risk with derivatives show that firms reduce their risk. By contrast, this paper shows that the use of derivatives increases total risk and firm-specific risk. However, the magnitude of the increase is not economically significant. Further analysis provides some evidence on the association between derivatives and stock options. The results show that there is a positive relation between the use of derivatives and stock options. In addition, firms introducing stock options invest in R&D activities to a greater extent than firms that do not introduce stock options. These findings suggest that Japanese firms use derivatives to hedge homogeneous risk and adopt stock option compensation to take core-business risk.

Keywords: Derivatives, Hedging, Risk Management, Stock Options, R&D

JEL Classification: G10, G31, G32, M41, M47, J33

Suggested Citation

Noma, Mikiharu, Hedging and Taking Risk: On the Role of Derivatives and Stock Options. Investment Research & Analysis Journal, Vol. 1, No. 2, Fall 2006, Available at SSRN: https://ssrn.com/abstract=977821

Mikiharu Noma (Contact Author)

Hitotsubashi University - Graduate School of International Corporate Strategy ( email )

2-1-2 Hitotsubashi, Chiyoda-ku
Tokyo 101-0003, Chiyoda-ku 101-8439
Japan

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