significant slow down in rate of growth of productivity has also marked this and the subsequent decade of 1980s in the U.S. Though …., the reasons for this productivity slow down still remains somewhat of mystery. Complicating the task of unraveling this … environmental regulations on industrial productivity is not yet clearly understood …

, environmental regulation, productivity, and consumer preferences have contributed to these reductions in pollution emissions. We …

regulation, rather than changes in productivity and trade, account for most of the emissions reductions …

regulation, rather than changes in productivity and trade, account for most of the emissions reductions …