Impediments, such as tree logs, can prevent access to saplings for deer, and increase perceived predation risk by blocking view escape possibilities deer in areas with large carnivores. Therefore, impediments influence foraging decisions the trade-off between safety food of different quality indirectly influencing regeneration. The aim our study was test how presence an impediment affects behav...

Like most nonprofit hospitals, those of Massachusetts are facing serious financial challenges. Although the immediate issue is the shortfall between revenues and expenses, the author finds that the real problems are systemic, evidenced by at least three structural impediments: uncompensated care, overuse of teaching hospitals, and an increasingly unattractive environment for the practice of med...

We propose a tractable model of an informationally inefficient market featuring non-revealing prices, no noise traders, and general assumptions on preferences and payoff distributions. We show the equivalence between our model and a substantially simpler model whereby investors face distortionary investment taxes depending both on their identity and the asset class. This equivalence allows us t...