Jack Hirshleifer (1925-2005) contributed to investment theory, information economics, conflict, and bioeconomics, clarified the foundations of investment and capital theory in the spirit of Fisher, and made basic contributions to the analysis of covariance risk, gambling and insurance, the Modigliani-Miller Theorem, and public investment through a focus on time, uncertainty and information. He ...

The combination of a randomly fluctuating environment and dispersal of biological organisms calls into question the adequacy of traditional bioeconomic models, the vast majority of which are both deterministic and aspatial. Perhaps for this reason, economists have been largely silent on recent policy debates surrounding fisheries management in a complex environment. In particular, much of the s...

Although ecosystems provide myriad services to economies, only one service is considered in most renewable-resource models. The bioeconomic model introduced here admits a second service, and more importantly it accounts for how the two services are impacted by interactions within a thirteen species ecosystem and interactions within a regional economy. Endangered Steller sea lion recovery measur...

tables or diagrams may be reproduced for such purposes provided acknowledgment of the source is included. Major extracts or the entire document may not be reproduced by any process without the written permission of the Executive Director, ABARE. Foreword The southern shark fishery has shown signs of being overexploited and overcapitalised for a number of years. Despite the introduction of an in...