Results 181 to 190 of about 1,227,664 (287)

The value of the market: Heterogeneity and gains from trade in permit and quota markets

open access: yesCanadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, EarlyView.
Abstract Many quantity constraining policies are in place in market economies. Conditions for trade in these rights or obligations to produce can be politically sensitive policy choices. Benefits from trade, and so the value of the associated market, are determined by heterogeneity among potential traders.
Sagar Dahal   +3 more
wiley   +1 more source

Clues of ancient incomplete lineage sorting during bivalve evolution undermine support for Heterodonta

open access: yesCladistics, EarlyView.
Abstract A long‐standing challenge in phylogenomics has been the resolution of relationships originated from ancient radiations. In these cases, phenomena such as incomplete lineage sorting can increase the support for conflicting resolutions. Most of the diversity in the Class Bivalvia originated during an Ordovician radiation; indeed, several deep ...
Alessandro Formaggioni   +7 more
wiley   +1 more source

Big fish in a bigger pond: positional envy in the workplace

open access: yesEconomica, EarlyView.
Abstract In an agency model with hidden information, we examine how skill heterogeneity can affect the design of optimal contracts and the distribution of rents across workers. We first consider a standard model with two worker types, and show that under certain conditions, the information rent accruing to high‐ability workers can be non‐monotonic ...
Rosaria Distefano, Francesco Reito
wiley   +1 more source

Analysis of cation‐π interactions using quantum chemistry and statistical analysis of high‐resolution protein structures

open access: yesThe FEBS Journal, EarlyView.
Shown is a typical detail of a high‐resolution crystal structure (PDB ID 1B5E, chain A) showing the nearness of a phenylalanine residue, Phe24, and a lysine residue, Lys32, that are not engaged in the proposed cation–π interaction. The study statistically examines charged residues near phenylalanine's aromatic ring, supported by quantum chemical ...
Hessel Poelman   +6 more
wiley   +1 more source

Shape modes of C P 1 vortices. [PDF]

open access: yesLett Math Phys
Gavrea N, Harland D, Speight M.
europepmc   +1 more source

Investigating the Dynamics of Sex‐Structured Stock Assessment Models Under Sexual Size Dimorphism

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT The integration of separate sexes in stock assessment models represents an advancement towards more realistic modeling of interactions between fisheries and target species. However, increased model complexity can also introduce additional uncertainty into the modeling process.
Francisco Izquierdo   +7 more
wiley   +1 more source

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