An Examination of European Firms’ Derivatives Usage: The Importance of Model Selection
Date | 01 September 2017 |
Author | James Ryan,Fergal O'Brien,Anthony Carroll |
Published date | 01 September 2017 |
DOI | http://doi.org/10.1111/eufm.12115 |
An Examination of European Firms’
Derivatives Usage: The Importance of
Model Selection
Anthony Carroll, Fergal O’Brien and James Ryan
Kemmy Business School, University of Limerick, Limerick, Ireland
E-mails: anthony.g.carroll@ul.ie, fergal.g.obrien@ul.ie, james.ryan@ul.ie
Abstract
This paper investigates the determinants of foreign currency (FX) and interest rate
(IR) derivatives usage for European non-financial firms. We employ a Tobit model
and a two-part model which allows the determinants of the usage decision to differ
from the extent of usage decision. We find FX derivatives usage is motivated by
economies of scale and FX exposure, while IR derivatives usage is motivated by the
magnitude and nature of firms’debt. We also find that for IR derivatives the
determinants of the usage decision differ from the determinants of the extent of
usage decision.
Keywords: foreign exchange exposure, interest rate exposure, hedging policies
JEL classification:G32
1. Introduction
The 2007–2008 crisis in the capital markets, which wreaked havoc in the financial sector,
caused relatively few problems in the non-financial sector. Bartram et al. (2015) contend
that the reason for this is that economic risk (e.g., competition, price hikes in the factors
of production, etc.) accounts for the vast majority of non-financial firms’stock volatility
whereas their exposure to capital markets, i.e., market-based financial risks such as those
pertaining to interests rates and foreign currencies, accounts for only a fraction. This is
consistent with such firms managing their financial risk, which they can do by means of
adjustments to leverage, dividend and liquidity policies but also by hedging this risk
using financial derivatives. Moreover, the established theory suggests that corporate risk
The authors are grateful to the anonymous referees and John Doukas (the Editor) for their
very helpful comments, suggestions and support throughout the review process. We are
further grateful to the Kemmy Business School for its funding throughout this research
project. Anthony Carroll acknowledges the financial support received from the Irish
Research Council.
European Financial Management, Vol. 23, No. 4, 2017, 648–690
doi: 10.1111/eufm.12115
© 2017 John Wiley & Sons, Ltd.
management can not only mitigate risk but also increase firm value (Froot et al., 1993;
Leland, 1998). However, conclusive empirical evidence that corporate risk management,
and hedging with financial derivatives in particular, matters for firm value is mixed, with
some studies finding a positive relationship (Carter and Sinkey Jr, 1998; Disatnik et al.,
2014; MacKay and Moeller, 2007) but others finding no significant relationship (Bartram
et al., 2011; Guay and Kothari, 2003; Jin and Jorion, 2006). Chang et al. (2016) suggest
one reason for this inconsistency is that even sell-side analysts, despite their apparent
financial expertise, routinely misjudge the earnings implications of firms’derivatives
activities. What hope then for the average shareholder? All of the above therefore
necessitates a more granular investigation into what motivates firms to use derivatives,
the types of derivatives they use, and the level of that usage.
Previous studies have attempted to do so but many suffer from externally imposed
restrictions such as availability of suitable data. Many therefore limit the scope of their
investigations to certain categories of derivatives, or to particular industries and
geographic locations. Furthermore, a large variety of econometric models and
explanatory variables have been employed across these studies, making comparisons
between each difficult. Table 1 breaks down a selection of these studies by geographic
location of the samples selected, the scope of their investigations, and the models
employed.
With respect to scope, the third column illustrates how much of the previous research
focuses on the determinants of certain classifications of derivatives usage –foreign
currency (FX), interest rate (IR) or commodity price (CP) –whereas others examine
general, or aggregate, derivatives usage. Examining general derivatives usage
presupposes that the different categories of derivatives share common determinants.
However, if the determinants of FX, IR and CP derivatives usage differ from one another,
then they should be disaggregated and examined separately. Furthermore, comparisons
between different studies should be restricted to only those that examine the same
classification of derivatives.
The fourth column shows the range of models employed to examine firms’derivatives
usage. Studies that exclusively examine the usage decision employ either a logit or a
probit model. Generally, the requirement is that a firm that discloses derivatives usage,
even qualitatively, be classified as a derivatives user. Hence, firms with widely varying
magnitudes of derivatives usage are broadly categorised as users, which can introduce a
large amount of measurement error. Studies that examine the extent of firms’derivatives
usage, most commonly measured with gross notional amounts, use either a Tobit or a
two-part model, which differ in their assumptions of firms’decision processes: those that
assume that the binary derivatives usage and extent of usage are jointly decided in one
step employ the Tobit model, whereas those that assume firms decide on the extent of
usage only after they have decided to use derivatives employ a two-part or hurdle model.
Perhaps a reason for the apparent disparity in empirical findings is the lack of consensus
on which model is the most representative of firms’actual decision processes.
In addition to scope and model employment, studies also vary in their selection of
explanatory variables. Of the ten studies that examine the determinants of FX derivatives
usage in Table 1, only five control for FX exposure with some measure for foreign sales
(Allayannis and Ofek, 2001; Bartram et al., 2009; Elliott et al., 2003; G
eczy et al., 1997;
Muller and Verschoor, 2005). Of the six studies that examine the determinants of IR
derivatives usage, only one attempts to directly control for IR exposure by measuring
variable rate debt (Chernenko and Faulkender, 2012). Graham and Rogers (2002), who
© 2017 John Wiley & Sons, Ltd.
An Examination of European Firms’Derivatives Usage649
examine the determinants of general derivatives usage, include a proxy for interest rate
exposure in the sum of short-term and floating rate debt (as a percentage of total debt).
The majority of these studies have been motivated by the theories of optimal hedging,
which argue that a range of firm attributes, such as its growth opportunities (Froot et al.,
1993) or the probability that it will get into financial distress (Smith and Stulz, 1985),
determines derivatives usage. Consequently, many studies share a common subset of
explanatory variables. However, even within this subset, empirical findings have been
Table 1
Overview of derivatives literature
This table provides an overview of the literature that uses annual report disclosures to examine the
determinants of firms’derivatives usage. The column entitled ‘Scope’refers to what categories of
derivatives are examined. For example, ‘FX and IR’means that study examines the determinants of FX
and IR derivatives separately. ‘General’refers to the determinants of aggregate derivatives usage, or
FX, IR and CP derivatives usage, combined. The last column, entitled ‘Model’, refers to the model
employed to examine firms’derivatives usage.
Author(s)SampleScope Model
G
eczy et al. (1997)USFX Logit
Allayannis and Ofek (2001)USFXTwo-part
Elliott et al. (2003)USFX OLS
Visvanathan (1998)USIRLogit
Borokhovich et al. (2004) USIRTobit
Chernenko and Faulkender (2012)USIROLS
Tufano (1996)USCPTobit
Haushalter (2000)USCPTwo-part and Tobit
Dionne and Garand (2003)USCPTobit
Adam and Fernando (2006)USCPTwo-part
Mian (1996)USFX, IR and CPLogit
Howton and Perfect (1998)USFX and IRTobit
Gay and Nam (1998)USGeneralTobit
Fok et al. (1997)USGeneral Logit
Graham and Rogers (2002)USGeneralTobit
Knopf et al. (2002)USGeneral Tobit
Rogers (2002)USGeneralTobit
Lin and Smith (2007)USGeneralProbit
Nguyen and Faff (2002)AustraliaGeneralTobit
Nguyen and Faff (2003)AustraliaFX and IRTobit
Marsden and Prevost (2005)New ZealandGeneralTwo-part
Bartram et al. (2009)International (incl.
Europe)
FX, IR and CPProbit
Lievenbr€
uck and Schmid (2014)International (incl.
Europe)
FX, IRand CPProbit and Tobit
Lel (2012)International (incl.
Europe)
FX Tobit
Judge (2006)UKGeneralLogit
Muller and Verschoor (2005)Belgian, Dutch, German, UK FXTwo-part
© 2017 John Wiley & Sons, Ltd.
650 Anthony Carroll, Fergal O’Brien and James Ryan
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