The economics literature on fisheries has focused primarily on stock externalities and, to a lesser degree, on crowding externalities. Yet for many fisheries, harvesting activities may affect the underlying biological productivity of the fish stock by impacting the forage or habitat quantity or...

Failure to manage the harvest of a metapopulation at its underlying ecological scale can lead to extirpation of discrete subpopulations and reduce productivity. However, it may be difficult and costly to assess and manage stocks at a finer spatial scale, and there is generally greater...

One of the most important long-run trends in the U.S. labor market is polarization, defined as the relative growth of employment in high-skill jobs (such as management and technical positions) and low-skill jobs (such as food-service and janitorial work) amid the concurrent decline in...

During the last few decades, labor markets in advanced economies have become “polarized” as relative labor demand grows for high- and low-skill workers while it declines for middle-skill workers. This paper explores how polarization has interacted with the U.S. business cycle since the late...