Results 71 to 80 of about 85,942 (221)

Micrography and XRF Techniques to Investigate Protohistoric Gold Artifacts: The Case of Roca Vecchia (Lecce, Italy)

open access: yesArchaeometry, EarlyView.
ABSTRACT Protohistoric gold findings from the archaeological site of Roca Vecchia (Melendugno, Lecce, Italy) are analyzed involving micrography and stratified XRF analysis. This exploitation allows to get a deeper insight into ancient gold manufacturing and wear processes adopted in the Southern Italian FBA.
Daniele Dell'Aquila   +5 more
wiley   +1 more source

Automated delineation and morphometry of unclassified subglacial bedforms

open access: yesBoreas, EarlyView.
We present an automated tool for mapping and analysing subglacial bedforms using volumetric obscurance, without classification. Tested on ArcticDEM data, the method produces bedform outlines with 75% correspondence compared to manually digitized maps.
Sofyane Hesni   +5 more
wiley   +1 more source

Food web reconstruction of Barmaky, the oldest post‐LGM hunter‐gatherer site in north‐western Ukraine

open access: yesBoreas, EarlyView.
The site of Barmaky currently marks the oldest Epigravettian occupation of north‐western Ukraine shortly after the Last Glacial Maximum (LGM), dated to around 19 cal. ka BP. Stable isotope analyses of bone collagen from six terrestrial mammals and two bird species show a comparatively highly structured palaeo‐food web.
Lilian Reiss   +6 more
wiley   +1 more source

Walking With Dragons: Performance, the Sensorial, and Urban Change in Vancouver, Canada

open access: yesCity &Society, EarlyView.
ABSTRACT This article discusses the “Dragon Walk” project, a series of guided walks and participatory art‐based community gatherings purposefully located in one of Vancouver's major redevelopment landscapes, the Cambie Corridor. Adopting a “cats' cradle” approach to thinking and writing, I follow Dragon Walk's suggestion that we look at urban change ...
Cristina Moretti
wiley   +1 more source

Integrating ecological feedbacks across scales and levels of organization

open access: yesEcography, EarlyView.
In ecosystems, species interact in various ways with other species, and with their local environment. In addition, ecosystems are coupled in space by diverse types of flows. From these links connecting different ecological entities can emerge circular pathways of indirect effects: feedback loops.
Benoît Pichon   +4 more
wiley   +1 more source

Strategic Flip‐Flopping in Political Competition

open access: yesInternational Economic Review, EarlyView.
ABSTRACT We study candidates' position adjustments in response to information about voters' preferences. Repositioning allows candidates to move closer to the median voter, but it incurs financial and electoral costs. In a subgame‐perfect equilibrium, candidates diverge from the center ex ante if the costs of adjustment are sufficiently large.
Gaëtan Fournier   +2 more
wiley   +1 more source

Liquidity Constraints, Income Variance, and Buffer Stock Savings: Experimental Evidence

open access: yesInternational Economic Review, EarlyView.
ABSTRACT We test the buffer stock model of savings behavior using a three‐period intertemporal model. In one treatment, liquidity in the second period is constrained (borrowing not possible), while the unconstrained treatment has no such constraint. The buffer stock model predicts that a second‐period liquidity constraint increases first‐period savings.
John Duffy, Andreas Orland
wiley   +1 more source

Limit Orders and Knightian Uncertainty

open access: yesInternational Economic Review, EarlyView.
ABSTRACT A wide variety of financial instruments allows risk‐averse traders to reduce their exposure to risk. This raises the question of what financial instruments allow ambiguity‐averse traders to reduce their exposure to ambiguity. We show in this paper that price‐contingent orders, such as limit orders, are sufficient: In a two‐period trading model,
Michael Greinecker, Christoph Kuzmics
wiley   +1 more source

Reinforcement Learning in Modern Biostatistics: Constructing Optimal Adaptive Interventions

open access: yesInternational Statistical Review, EarlyView.
Summary In recent years, reinforcement learning (RL) has acquired a prominent position in health‐related sequential decision‐making problems, gaining traction as a valuable tool for delivering adaptive interventions (AIs). However, in part due to a poor synergy between the methodological and the applied communities, its real‐life application is still ...
Nina Deliu   +2 more
wiley   +1 more source

Finding a mix of renewable energy for different stakeholders by applying multi‐criteria decision‐making techniques

open access: yesInternational Transactions in Operational Research, EarlyView.
Abstract This paper presents a two‐stage model for planning a renewable energy portfolio by balancing economic, social and environmental sustainability goals. The first stage addresses a multi‐objective problem where conflictive impacts generated by the energy portfolios should be optimised according to the corresponding economic, social or ...
Amelia Bilbao‐Terol   +2 more
wiley   +1 more source

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