Professor Stephen Disney, PhD
Professor Stephen Disney, PhD
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Recent & Upcoming Talks
2024
Invited Seminar to the Research Institute for Supply Chain Management, Vienna University of Economics & Business
On January 17th, 2025 I will give a research seminar entitled
The dynamics of agricultural supply chains
to the Research Institute for …
Oct 4, 2024 09:00
Vienna, Austria
PhD tutorial at the Glorious Sun Business School, Donghua University
On May 14th, 2024 I gave a tutorial on Discrete Control Theory for Management Science to the PhD students at the Glorious Sun Business …
May 14, 2024 09:00
Shanghai, China
Slides
2023
On the transition from make-to-stock to make-to-order
From a number of recently conducted value stream mapping (VSM) exercises we have realised there are at least two replenishment …
Sep 15, 2023 15:00
Bath, United Kingdom.
PDF
2021
SpeedFactories: Global Dual Sourcing Under Correlated Demand
We study a global dual sourcing supply chain setting under correlated auto-regressive, AR(1), demand. We consider three cases: a) …
Jan 28, 2021 14:30 — 15:30
Online via Zoom
S.M. Disney
PDF
Slides
2020
Talks at the Twenty-first International Working Seminar of Production Economics, Innsbruck, Austria, February 2020
I will be involved in two talks at the Twenty-first International Working Seminar on Production Economics, February 24-28, 2020, …
Feb 24, 2020 09:00
Innsbruck, Austria
2019
When the bullwhip effect is an increasing function of the lead time
We study the relationship between lead times and the bullwhip effect produced by the order-up-to policy. The
usual
conclusion in the …
Aug 30, 2019 12:05
Berlin, Germany
Slides
The nonlinear dynamics of order-up-to inventory systems with lost sales
We study the dynamic consequences of lost sales when there is insufficient inventory to satisfy demand. Demand is assumed to be …
Aug 30, 2019 11:44
Berlin, Germany
Slides
Talks at the Production and Operations Management Conference, Washington, May 2019.
I will be involved in three talks at the POMS Annual Conference in Washington this year. The three talks are: 1) Gaalman, G., Disney, …
May 3, 2019 12:05
Washington, United States
Project
Discrete Control Theory
Using block diagrams, z-transforms and Tsypkin’s relation I show how to obtain the variances of the orders and inventory levels …
Mar 22, 2019 14:00
Cardiff, United Kingdom
PDF
Slides
2018
Dual Sourcing and Smoothing Under Non-stationary Demand Time Series: Re-shoring with Speed Factories
We investigate the emerging trend of near-shoring a small part of the global production back to local SpeedFactories. The short lead …
Nov 6, 2018 12:05
Session TC14, Room 126C, North Building
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