We study contests where the designer's objective is an extension of widely studied maximizing total output: The designer gets zero marginal utility from a player's output if player very low or high. model this using two functions: binary threshold, contribution to 1 her above certain and 0 otherwise; linear between lower upper becomes constant below threshold. For both these objectives, we (1) ...

The group began by reviewing the high-level objectives for ecosystem-based management in the eastern Bering Sea (and North Pacific) as defined by several management agencies for these regions, and summarized by Belgrano et al. (this report): • Protect ecosystem structure, functioning, and key processes (including diversity and habitats); • Account for food web interactions; • Manage regionally;...