Wassily Leontief, Environmental Repercussions and the Economic Structure: An Input-Output Approach, The Review of Economics and Statistics, Vol. 52, No. 3 (Aug., 1970), pp. 262-271 ...

To be able to listen to turntables through your system, you'll need a phono stage (also called a phono preamp). These are the best models we've reviewed across all budgets and types.

For the more than 70 years, the process industries have provided essential fuels and materials for global growth. Increased manufacturing production comes with substantial environmental impact.