ABSTRACT
Investment in Research and Development (R&D) creates intangible assets with a high earning potential. Several industries have a continuous R&D program due to the competitive nature of business. Thus R&D outlays may be viewed as fixed costs necessary for firms to achieve growth in size and earnings. The impact of R&D on earnings is measured by degree of R&D leverage, a term analogous to degrees of operating and financial leverage. This paper specifically tests the relationship between changes in R&D outlays and their impact on earnings for a sample of firms within petroleum drilling, refining, and oil and gas field services industry.
The …