Results 91 to 100 of about 814,317 (310)

Trading Away Wide Brands for Cheap Brands [PDF]

open access: yes
Firms face competing needs to expand product variety and reduce production costs. Trade policy affects firm investments in product variety and production processes differently. Access to larger markets enables innovation to reduce costs.
Swati Dhingra
core  

Using simple neural networks to analyse firm activity [PDF]

open access: yes, 2005
Characteristically, in economics, the analysis of firm activity is based on a production function that defines a deterministic relationship between factor inputs and firm output.
Dietrich, M.
core  

β‐Catenin/c‐Myc Axis Modulates Autophagy Response to Different Ammonia Concentrations

open access: yesAdvanced Biology, Volume 9, Issue 3, March 2025.
Ammonia, detoxified by the liver into urea and glutamine, impacts autophagy differently at varying levels. Low ammonia activates autophagy via c‐Myc and β‐catenin, while high levels suppress it. Using Huh7 cells and Spf‐ash mice, c‐Myc's role in cytoprotective autophagy is revealed, offering insights into hyperammonemia and potential therapeutic ...
S. Sergio   +11 more
wiley   +1 more source

Innovative mathematical application of game theory in solving healthcare allocation problem

open access: yesProceedings of the Nigerian Society of Physical Sciences
Game theory being a mathematical framework for analyzing strategic interactions among decision makers is increasingly applied to complex problems in healthcare resource allocation.
Stephen I. Okeke
doaj   +1 more source

Make or Buy in a Mature Industry? Models of Clientsupplier Relationships under TCT and RBV Perspectives [PDF]

open access: yesBAR: Brazilian Administration Review, 2010
In this paper, we use the transaction cost theory [TCT] and the resource-based view [RBV] to discuss three propositions on the models of client-supplier relationships in mature industries.
Manuel Portugal Ferreira   +1 more
doaj  

General-Equilibrium Approaches to the Multinational Firm: A Review of Theory and Evidence [PDF]

open access: yes
Beginning in the early 1980s, theoretical analyses have incorporated the multinational firm into the microeconomic, general-equilibrium theory of international trade.
James R. Markusen, Keith E. Maskus
core  

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

open access: yesAdvanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt   +8 more
wiley   +1 more source

Multinationals, intra-firm trade and FDI: A simple model [PDF]

open access: yes
This paper models trade and FDI in a world consisting of two symmetric countries. Using a monopolistic competition model of international trade which includes positive trade costs and endogenous multinational firms, we introduce an intermediate good and ...
Theresa Carpenter
core  

Enabling Digital Continuity in Virtual Manufacturing for Eco‐Efficiency Assessment of Lightweight Structures by Means of a Domain‐Specific Structural Mechanics Language: Requirements, Idea and Proof of Concept

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents a solver‐agnostic domain‐specific language (DSL) for computational structural mechanics that strengthens interoperability in virtual product development. Using a hierarchical data model, the DSL enables seamless exchange between diverse simulation tools and numerical methods.
Martin Rädel   +3 more
wiley   +1 more source

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu   +5 more
wiley   +1 more source

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