Results 91 to 100 of about 12,281 (197)

Pattern formation and spatial correlation induced by the noise in two competing species [PDF]

open access: yes, 2004
We analyze the spatio-temporal patterns of two competing species in the presence of two white noise sources: an additive noise acting on the interaction parameter and a multiplicative noise which affects directly the dynamics of the species densities. We
Fiasconaro, A.   +2 more
core   +1 more source

Channel Management and differentiation strategies: A case study from the market for fresh produce [PDF]

open access: yes
The paper analyses the current differentiation strategies in the market for fresh produce. First a short review of the literature on channel structure and product differentiation is presented, in order to identify, on a theoretical grounding the ...
Hingley, Martin, Sodano, Valeria
core   +1 more source

Some electromagnetic properties of the nucleon from Relativistic Chiral Effective Field Theory

open access: yes, 2004
Considering the magnetic moment and polarizabilities of the nucleon we emphasize the need for relativistic chiral EFT calculations. Our relativistic calculations are done via the forward-Compton-scattering sum rules, thus ensuring the correct analytic ...
Altarelli   +17 more
core   +4 more sources

From Wild West to the Godfather: Enforcement Market Structure [PDF]

open access: yes
Weak states enable private enforcement but it does not always fade away in the presence of strong states. We develop a general equilibrium model of the market organization of enforcers (self-enforcers, competitive specialized enforcers or monopoly) who ...
James E. Anderson, Oriana Bandiera
core  

A previously unreported numph cocoon of Alphasida puncticollis on the islet of Lampione (Sicilian Channel) (Coleoptera Tenebrionidae).

open access: yes, 2010
In this paper we present an unusual case of cocoons produced by larvae of Tenebrionid Alphasida (Glabrasida) puncticollis (Solier, 1836), which has been observed on the islet of Lampione (Sicilian Channel). Pupal cocoons have never been recorded for species belonging to this genus, and their occurrence results rarely documented within the family ...
Lo Cascio, P, MASSA, Bruno
openaire   +2 more sources

Social Conflict, Mafia, and State Capacity [PDF]

open access: yes, 2017
In this paper we study the rise of the Sicilian mafia at the end of the 19th century and its impact on medium-term and long-term economic outcomes, state capacity and political competition.
Acemoglu, Daron   +2 more
core  

Planktonic communities in an anchovy spawning area of the Sicilian Channel: structure and diversity.

open access: yes, 2014
The structure and diversity of the planktonic populations were studied in the Strait of Sicily, an area of spawning of Engraulis encrasicolus (Clupeiformes), a pelagic species of commercial interest. In this oligotrophic area the planktonic communities showed different spatial distribution related to the hydrological pattern.
Caroppo C   +8 more
openaire   +1 more source

New italian records of Calosoma (Caminara) olivieri (Coleoptera Carabidae) for the islands of the sicilian channel.

open access: yes, 2020
Nuovi reperti per l’Italia di Calosoma (Caminara) olivieri (Coloptera Carabidae) nelle isole del Canale di ...
openaire   +1 more source

Organized Crime, Migration and Human Capital Formation: Evidence from the South of Italy [PDF]

open access: yes
The presence of organized crime is a pervasive feature of many developed and developing countries. Even if ‘mafia’ organizations have greatly enlarged the geographical scope of their activities, as in the past they are still deeply rooted in specific ...
Cosimo Scagliusi   +2 more
core  

The map of Johannes Quintinus Haeduus and its derivatives [PDF]

open access: yes, 2007
The first known map of the Maltese islands was drawn in the latter part of the fifteenth century, but the first printed map was that published in 1536 in Lyons by Johannes Quintinus.
Ganado, Albert
core  

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