Average profits of a price taker are increasing in the variability of the output price (Oi, 1961). We show that, for the same reason, average profits of the price taker are increasing in the variability of the price of inputs. We proceed to establish that the same holds for a firm with a...

This paper investigates the relative labor productivity level for total manufacturing in Germany, Sweden and the US for the period 1980-2001. The paper also presents estimates of labor productivity levels for 18 different manufacturing industries for the period 1993-2000. The results show that...