Betylmania? – Small Standing Stones and the Megaliths of South‐West Britain

This paper calls attention to a previously neglected element of the broad repertoire of monumental megalithic structures that characterize the later third and second millennia BC across the British Isles – extremely small standing stones. Despite their frequency and the complex arrangements and associations they embody, these miniliths are rarely recorded in detail and frequently marginalized to a generic background. As a result, they are largely absent from interpretative accounts. Drawing upon recent debates regarding materiality and monument form, alongside the results of excavations explicitly targeting tiny stone settings, the discussion argues that the phenomenon of raising and fixing small uprights was not only widespread and persistent, but sheds important light upon the beliefs and ideas driving monument construction during the later Neolithic and Bronze Ages.     

REGULATORY FEDERALISM AND THE DISTRIBUTION OF AIR POLLUTANT EMISSIONS*

ABSTRACT Recent empirical work suggests that (i) incomes are converging through time, and (ii) income and pollution levels are linked. This paper weds these two literatures by examining the spatial and temporal distribution of pollution. After establishing that theoretical predictions about whether pollution will converge are critically linked to certain structural parameters, we explore pollution convergence using state‐level data on two important pollutants—nitrogen oxides and sulfur oxides—from 1929 to 1999. We find stronger evidence of converging emission rates during the federal pollution control years (1970–1999) than during the local control years (1929–1969). These results suggest that income convergence alone may not be sufficient to induce convergence of pollutant emissions.