Combined generation of process steam and electric power in coal-fired industrial power plants is examined, and a rate of return on various investments of this type is estimated. The effect on these rates of return of a 20% investment tax credit is calculated, which appears to be slight. We note...

When we use the Cobb-Douglas equation to investigate economic growth, we require data on the levels of the capital and labor inputs, and corresponding data on the level of output, at different points in time. We conclude that the inclusion of energy in the standard Cobb Douglas production...