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Optimal fishing policy for two species in a threespecies predatorprey model: The case of capelin, cod and juvenile herring in the Barents Sea
(Discussion paper, Working paper, 200712)This paper presents a management model for the Barents Sea capelin and cod fisheries including juvenile herring in the biological model as the young herring influences the codcapelin system. The objective of the study is ... 
Optimal heating of large block of flats
(Discussion paper, Working paper, 2007) 
Optimal maintenance scheduling of local public purpose buildings
(Discussion paper;36/14, Working paper, 201411)We formulate the maintenance scheduling decision as a dynamic optimization problem, subject to an accelerating decay. This approach offers a formal, yet intuitive, weighting of the tradeoffs involved when deciding a ... 
Optimal management of renewable resources : a general feedback approach
(Discussion paper, Working paper, 199809)Analytical solutions for optimal exploitation of renewable capital stocks are derived as feedback rules for a quite general optimization problem. By feedback rules is meant that optimal exploitation is given as an explicit ... 
Optimal Pension Insurance Design
(Discussion paper, Working paper, 200609)In this paper we provide a framework for how the traditional life and pension contracts with a guaranteed rate of return can be optimized to increase customers’ welfare. Given that the contracts have to be priced correctly, ... 
Optimal portfolio selection with both fixed and proportional transaction costs for a CRRA investor with finite horizon
(Discussion paper, Working paper, 200201)In this paper we study the optimal portfolio selection problem for a constant relative risk averse investor who faces fixed and proportional transaction costs and maximizes expected utility of endofperiod wealth. We use ... 
Optimal portfolio selection with transaction costs for a CARA investor with finite horizon
(Discussion paper, Working paper, 200212)In this paper we study the optimal portfolio selection problem for a CARA investor who faces fixed and/or proportional transaction costs and maximizes expected utility of endofperiod wealth. We use a continuous time model ... 
Optimal redistribution and monitoring of labor effort
(Discussion paper;33/14, Working paper, 201409)This paper extends the Mirrlees (1971) model of optimal nonlinear income taxation with a monitoring technology that allows the government to verify labor effort at a positive, but noninfinite cost. We analyze the joint ... 
Optimal risk sharing
(Discussion paper, Working paper, 200301)Optimal risk sharing is considered from the perspective of the risk sharing model introduced by Karl Borch in the late 50ies. First we introduce, in a modern setting, the main concepts from this theory. These we apply ... 
Optimal Risk Sharing in Society
(Discussion paper;10/21, Working paper, 20211230)We consider risk sharing among individuals in a oneperiod setting under uncertainty, that will result in payoffs to be shared among the members. We start with optimal risk sharing in an ArrowDebreu economy, or equivalently, ... 
Optimal RiskSharing and Deductables in Insurance
(Discussion paper, Working paper, 2006)Risksharing in insurance is analyzed, with a view towards explaining the prevalence of deductibles. First we introduce, in a modern setting, the main concepts of the theory of risksharing in a group of agents. This theory ... 
Optimal Scale in Different Environments – The Case of Norwegian Electricity Distribution Companies
(Discussion paper;22/15, Working paper, 20150917)We study returns to scale in Norwegian electricity distribution companies. The scale issue of this sector has become an important political question, and it was for instance discussed by the Reiten commission (OED, 2014) ... 
Optimal spending of a wealth fund in the discrete time life cycle model
(Discussion paper;7/23, Working paper, 20230609)The paper analyses optimal spending of an endowment fund. We use the life cycle model for both expected utility and recursive utility in discrete time. First we find the optimal consumption and investment policies for both ... 
The optimal spending rate versus the expected real return of a sovereign wealth fund
(Discussion paper;1/21, Working paper, 20210204)We consider a sovereign wealth fund that invests broadly in the international financial markets. The influx to the fund has stopped. We adopt the life cycle model and demonstrate that the optimal spending rate from the ... 
Optimal Taxation with Multiple Incomes and Types
(Discussion paper;3/22, Working paper, 20220124)We analyze the optimal nonlinear income tax schedule when taxpayers earn multiple in comes and differ along many unobserved dimensions. We derive the necessary conditions for the government’s optimum using both a tax ... 
Optimization of agestructured bioeconomic model: recruitment, weight gain and environmental effects
(Discussion paper;4/19, Working paper, 20190903)More and more fishery researchers begin to acknowledge that onedimensional biomass models may omit key information when generating management guidelines. For the more complicated agestructured models, numerous parameters ... 
Optimizationbased Evacuation on Cruise Vessels Using Twoway Communication
(Discussion paper;16/23, Working paper, 20231031)We study the evacuation of large cruise vessels under hazardous conditions. Based on a new sensor mesh technology, allowing wireless twoway communication also when electricity is lost, we propose an optimizationbased ... 
Optimized online process control of bleaching operations with OptCab
(Discussion paper, Working paper, 2007)To produce pulp for paper production or as market pulp is a complicated online process with many integrated stages that impact the final quality. In the bleaching plant which is at the end of pulp production, the main ... 
Optimum congestion pricing in a complex network
(Doctoral dissertation;04/13, Working paper, 201305)Road tolls are a well established way of dealing with problems of con gestion. Over recent years, the literature has expanded to take account of how congestion charges might interact with imperfections in other mar kets. ... 
Overbidding vs firesales in bankruptcy auctions
(Discussion paper, Working paper, 200206)We analyze bidding incentives of the main creditor (bank) in Swedish bankruptcy auctions. Absent a direct mechanism for enforcing its seller reservation price, the bank offers financing to a potential bidder in return for ...