The press often depicts bonuses as extra payments to the already well compensated and calls for reform. Yet, these calls typically ignore the efficiency argument that bonuses are potentially risky performance pay that substitute for salary compensation. This paper uses representative UK data to estimate that bonuses appear not to substitute for salary in cross-sectional estimates. Yet, when controlling for time-invariant characteristics in panel data, bonuses emerge as partial substitutes. Each pound of bonus comes at a cost of 40 pence in other earnings. The degree of substitution is far larger at the bottom of the earnings distribution and far smaller at the top of the earnings distribution where, indeed, bonuses look more like gravy.
IntroductionThe payment of bonuses as part of managerial and executive compensation attracts continued public controversy. The media highlight the size of bonuses paid at financial institutions, often with the application of pejorative terms such as "bonus culture" that suggest the payment of something for nothing. 1 Indeed, the depth of public feeling regarding bonuses has led to pronouncements by both the U.S. president and the UK prime minister on the need to restrain these "inequitable payments" and proposed legislation to cap bank bonuses in the EU. The public perception of something for nothing seems at odds with the basic theory that bonuses, like other forms of performance pay, represent a *The authors' affiliations are, respectively, Lancaster University, Lancaster, United Kingdom. 490 means to mitigate agency problems in labor contracts. Payment contingent on worker performance stands in lieu of some portion of an otherwise riskless (or at least less risky) salary payment and serves to increase firm profitability, worker utility, or both. In fact, the presumption that high performance bonuses substitute for salaries provides the basis for the resistance by both the UK and U.S. financial sector to cap or reduce bonus payments. Advocates for the sector explicitly claim that reducing bonuses will lead to either a necessary compensating increase in salary payments or a loss of talent within the sector.The basic notion that performance pay elicits additional effort and is associated with increased earnings stands as well engrained in the economics of personnel (Brown 1992;Lazear 2000;Parent 1999;Shearer 2004). Yet, the combination of the disutility from greater effort and risk has left in doubt the extent to which the higher pay generates higher worker utility from performance pay (Cornelissen, Heywood, and Jirjahn 2011; Green and Heywood 2008). At least part of the answer of whether or not workers benefit from performance pay revolves around the critical issue at the heart of the public debate, the extent to which performance pay substitutes for fixed-time rates. As we will detail, previous empirical results often fail to find any substitution showing that higher performance payments tend to be associated with higher fixed-time rates. If correct, the performance pay in these...