1 Free heating degree day and cooling degree day data. 2  Reports and charts for degree days, average daily temperature, cooling degree days, heating degree days, and degree day forecast.  14,000 weather stations in the United States and Canada.
In 2011, the marginal cost of production for oil was $92.26 for the 50 largest listed oil and gas companies, according to the Wall Street Journal.This will climb to $100 a barrel in 2012.n 2011, the marginal cost of production for oil was $92.26 for the 50 largest listed oil and gas companies, according to the Wall Street Journal.
Table 14-7 Suppose that a firm in a competitive market faces the following revenues and costs: Marginal Marginal Quantity Cost Revenue 12 $5 $9 13 $6 $9 14 $7 $9 15 $8 $9 16 $9 $9 17 $10 $9 ____ 31. Refer to Table 14-7.___ 13. The marginal product of labor is equal to the a. incremental cost associated with a one unit increase in labor. b. incremental profit associated with a one unit increase in labor. c. increase in labor necessary to generate a one unit increase in output.