anchor: These  (1) direct savings from lower compliance costs, (2) process efficiency and other productivity gains, (3) environmental and health benefits not captured within normal market transactions, and (4) spillovers and/or learning induced by either the technology investment, or the R and D efforts.
positive: These direct savings, process efficiency, have environments and health benefits, and there are many spillovers.
negative: These do not direct savings, process efficiency, have environments and health benefits, and there are many spillovers.