Florian K. Diekert

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North-East Arctic cod is shared by Russia and Norway. Taking its multi-cohort structure into account, how would optimal management look like? How would non-cooperative exploitation limit the obtainable profits? To which extent could the strategic situation explain today’s over-harvesting? Simulation of a detailed bioeconomic model reveals that the mesh size(More)
The purpose of the United Nations-guided process to establish Sustainable Development Goals is to galvanize governments and civil society to rise to the interlinked environmental, societal, and economic challenges we face in the Anthropocene. We argue that the process of setting Sustainable Development Goals should take three key aspects into consideration.(More)
The gravity of growth overfishing is increasingly recognized. The size-distribution of fish stocks is often severely truncated, even when the overall biomass is reasonably well managed. In a first part of this article, I show how the “race to fish” extends to the dimension of size: Akin to the classical Bertrand competition in prices, each agent has an(More)
One element of the Norwegian disability pension system makes the extent to which pension responds to changes in income in the last three years before disablement vary over different income profiles. This special feature is explored in order to identify an individual specific pension incentive for income adjustment. If disability is foreseen, this feature(More)
Theory and evidence point towards particularly positive effects of high-quality child care for disadvantaged children. At the same time, disadvantaged families often sort out of existing programs. To counter differences in learning outcomes between children from different socioeconomic backgrounds, governments are pushing for universal child care. However,(More)
The importance of the fish stock’s age-structure is increasingly recognized in economics and ecology. Still, current policies predominately rely on measures of the aggregate biomass. Here, a detailed bio-economic model is calibrated on the North-East Arctic cod fishery to assess the efficiency gains from controlling gear selectivity and explore them under a(More)
The Chichilnisky criterion is an explicit social welfare function that satisfies compelling conditions of intergenerational equity. However, it is time inconsistent and has no optimal solution in the Ramsey model. By investigating stationary Markov equilibria in the game that generations with Chichilnisky preferences play, this paper shows how nevertheless(More)
The North-East Arctic cod (Gadus morhua) fishery, as most other commercial fisheries, is wasting the larger part of its potential. Examining a detailed multi-cohort, multigear bioeconomicmodel, we show that the cause is rather a too smallmesh size than excessive effort. Although internationally and nationallymanaged by quota allocations and regulations, the(More)
Hunting is the predominant way of controlling many wildlife populations devoid of large carnivores. It subjects animals to mortality rates that far exceed natural rates and that differ markedly in which age, sex, or size classes are removed relative to those of natural predators. To explain the emerging selection pattern we develop behavioral(More)