Gregory DeAngelo

TL;DR: In this article, the causal effect of police on traffic fatalities and injuries is estimated by focusing on a mass layoff of Oregon State Police in February of 2003, stemming from changes in property tax assessment in the prior decade.

TL;DR: In this paper, the authors focus on a mass layoff of Oregon State Police in February of 2003 and find that the subsequent decrease in enforcement is associated with a significant increase in injuries and fatalities.

TL;DR: In this paper, the effects of uncertainty on an individual's decision to commit a traffic violation were investigated in controlled conditions, and they found that individuals respond considerably to increases in the expected cost of speeding, uncertainty about the enforcement regime yields a significant reduction in violations committed, and people are much more likely to speed when the punishment regime for which they voted is implemented.

TL;DR: This paper evaluated 157 agricultural conservation easements in the San Francisco Bay Area of California and found that preservation and development of agricultural land were both consistent with general plans, however, they found little evidence of ACEs being used on a regional scale either to reinforce urban growth boundaries or to coalesce with other open space to form large contiguous blocks of protected areas.

TL;DR: The authors examined the effect of law enforcement and community, vigilante justice on non-norm conforming behavior in the National Hockey League and found that community enforcement is effective only when law enforcement is lacking and that law enforcement actions are effective both independently and in conjunction with community enforcement.