My dissertation examines the stock market’s assessment of corporate mandatory and voluntary disclosure. Specifically, the first part of the dissertation investigates the stock market reaction to the mandatory segment reporting changes and the second part studies how the stock market assesses credibility of voluntary management forecasts. The dissertation is composed of two essays. The first ess...

Recently developed fish stock assessment methods are briefly presented which could be used for the management of the fish stocks of African reservoirs. These methods include length-structured versions of Virtual Population Analysis which seem particularly suited to reservoirs because (a) they do not include any equilibrium assumption; and (b) they can be used in conjunction with such highly sel...

Pelagic Fisheries and Ecosystems, CSIRO Marine and Atmospheric Research, Castray Esplanade, Hobart 7000, Tasmania, Australia ; Center for Stock Assessment Research, Department of Applied Mathematics and Statistics MS E-2, University of California, Santa Cruz, CA 95064, USA; Department of Biology, University of Bergen, Bergen, Norway; CSIRO Marine and Atmospheric Research, Ecosciences Precinct, ...

Catch-per-unit-effort (CPUE) is often the main piece of information used in fisheries stock assessment; however, the catch and effort data that are traditionally compiled from commercial logbooks can be incomplete or unreliable due to many reasons. Pacific bluefin tuna (PBF) is a seasonal target species in the Taiwanese longline fishery. Since 2010, detailed catch information for each PBF has b...