Results 121 to 130 of about 769,052 (322)

Economic activity during extreme events

open access: yesCanadian Journal of Economics/Revue canadienne d'économique, EarlyView.
Abstract Although extreme weather events, natural disasters or infrastructure failures potentially have important economic effects, quantifying these effects over small areas and fine time intervals has been difficult because of the fairly coarse scales available in most data sources. This paper surveys the use of relatively new and finely grained data
John W. Galbraith
wiley   +1 more source

Behind the Curtain: COVID‐19 as a Lens to Precarity in Museum Labor

open access: yesCurator: The Museum Journal, EarlyView.
ABSTRACT Using in‐depth interviews with emerging and early professional museum workers in New Orleans, Louisiana, this article expands on scholarship around the perceived and actual value of nonprofit labor. It adds qualitative support to the argument that museum labor is real labor—open to exploitation and abuse while constantly negotiated internally ...
Miriam Taylor Fair
wiley   +1 more source

Identifiability of Kelvin Wakes in SAR Imageries: The Role of Time-Varying Characteristics and Decoherence Effect of Wake

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
The Kelvin wake, a distinctive ship-generated wave pattern in synthetic aperture radar (SAR) imagery, plays a vital role in advancing ocean observation theory.
Chengji Xu   +3 more
doaj   +1 more source

Numerical Analysis of the Unsteady Propeller Performance in the Ship Wake Modified By Different Wake Improvement Devices

open access: yesPolish Maritime Research, 2014
The paper presents the summary of results of the numerical analysis of the unsteady propeller performance in the non-uniform ship wake modified by the different wake improvement devices. This analysis is performed using the lifting surface program DUNCAN
Bugalski Tomasz, Szantyr Jan A.
doaj   +1 more source

A New Actuator Surface Model with Improved Wake Model for CFD Simulations of Rotorcraft [PDF]

open access: yes, 2017
Simulations of rotorcraft operating in unsteady flow-fields, manoeuvring flight, or with complex rotor configurations pose a significant challenge to current simulation methods.
Barakos, Geogre   +3 more
core  

Sectoral Adaptation and Strategic Resilience: The Impact of Sanctions on Russian Corporate Performance (2014–2021)

open access: yesEconomics of Transition and Institutional Change, EarlyView.
ABSTRACT We examine the sectoral impact of Western sanctions on Russian corporate performance from 2014 to 2021 using a panel of listed nonfinancial firms. Applying continuous‐time heterogeneous treatment models and difference‐in‐differences estimators, we document persistent divergence across sectors: The energy sector exhibits sustained ...
Eugene Nivorozhkin
wiley   +1 more source

China inside out: Explaining silver flows in the triangular trade, c. 1820s‒70s

open access: yesThe Economic History Review, EarlyView.
Abstract This paper analyses a new large dataset of silver prices, as well as silver and merchandise trade flows in and out of China in the crucial decades of the mid‐nineteenth century when the Empire was opened to world trade. Silver flows were associated with the interaction between heterogeneous monetary preferences and availability of specific ...
Alejandra Irigoin   +2 more
wiley   +1 more source

The cost of the consumer revolution: Prices, material living standards, and real inequality in Amsterdam (1630‒1805)

open access: yesThe Economic History Review, EarlyView.
Abstract This article measures the cost of the early modern consumer revolution through a quantitative analysis of product and process innovations in Amsterdam and examines their variegated social impact in two distinct datasets of probate inventories.
Bas Spliet, Anne E. C. McCants
wiley   +1 more source

Scale Effects on Nominal Wake Fraction in Shallow Water: An Experimental and CFD Investigation

open access: yesJournal of Marine Science and Engineering
The investigation of the wake field and nominal wake fraction in shallow water is critical for understanding ship hydrodynamics in confined environments.
Asif Raza   +2 more
doaj   +1 more source

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