If is a commonplace to assume that competition within? art industry re
duces firms' profit margins and production inefficiency and increases
the effort and resources firms spend art innovations. Although theoret
ically there are good reasons to believe that competition will increas
e the productivity of the firms, there is very little empirical eviden
ce on this issue. In this paper we study the productivity in Danish fi
rms and the factors affecting their productivity. The study is based o
n a sample of a little over 2,800 firms in the manufacturing sector We
investigate how total factor productivity at the firm level is affect
ed by the number competitors in the product market, the level of profi
t in the industry the amount of debt service payments and the type of
ownership.