Results 101 to 110 of about 2,862 (230)

Bridging New Divides: Ethnic Linkages and Trade in Africa

open access: yesSouth African Journal of Economics, Volume 94, Issue 2, June 2026.
ABSTRACT This paper studies the effects of ethnic linkages on trade between countries within Africa. I construct a digitised and geo‐referenced dataset of historical ethnic territories for pre‐colonial Africa. The empirical strategy exploits the role of historical ethnic territories in shaping the current distribution of ethnic groups across countries ...
Conrad Copeland
wiley   +1 more source

On feedback queueing system with reneging and retention of reneged customers, multiple working vacations and Bernoulli schedule vacation interruption

open access: yes, 2017
This paper presents an analysis of a Markovian feedback queueing system with reneging and retention of reneged customers, multiple working vacations and Bernoulli schedule vacation interruption, where customers’ impatience is due to the servers’ vacation.
A. Bouchentouf, Lahcene Yahiaoui
semanticscholar   +1 more source

A Queueing Model for an Automatic Manufacturing System with Disasters, Breakdowns and Vacations. Optimal Design and Analysis [PDF]

open access: yesOperations Research and Decisions
We study a queueing model with disasters, working breakdowns, balking, reneging, and vacations. This is a novel and realistic queueing model that captures the complex dynamics and behaviors of an automatic manufacturing system (AMS) with various ...
Nada Riheb Yatim   +2 more
doaj  

A Batch Arrival Single Server Queue with Server Providing General Service in Two Fluctuating Modes and Reneging during Vacation and Breakdowns

open access: yesJournal of Probability and Statistics, 2014
We study the behavior of a batch arrival queuing system equipped with a single server providing general arbitrary service to customers with different service rates in two fluctuating modes of service.
Monita Baruah   +2 more
doaj   +1 more source

Policing the Environmental Crisis: Climate Protest, the State, and Law and Order

open access: yes
Constellations, Volume 33, Issue 2, Page 274-284, June 2026.
Oscar Talbot
wiley   +1 more source

An Integrated Queuing Model for Site Selection and Inventory Storage Planning of a Distribution Center with Customer Loss Consideration

open access: yesInternational Journal of Industrial Engineering and Production Research, 2011
Discrete facility location,   Distribution center,   Logistics,   Inventory policy,   Queueing theory,   Markov processes, The distribution center location problem is a crucial question for logistics decision makers.
E. Teimoury, I.G. Khondabi, M. Fathi
doaj  

Dignity entitlements contra property rights: are all preferences reducible to a single metric?

open access: yesCogent Social Sciences
Standard rational choice theory assumes away any difference between goods: a box of tomatoes (or its opposite, rotten tomatoes) is treated in the same way as esteem (or its opposite, indignity), as both can be reduced to a single-metric function (benefit)
Elias L. Khalil
doaj   +1 more source

On Concurrent Solutions in Differential Games

open access: yesBusiness Systems Research, 2011
We examine solutions in which neither player is worse off from the leadership of one in a policy maker-public game. The loop model of dynamic games is used. Outcome space is dotted with equivalence classes of solutions.
Romar Correa
doaj  

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