Adolfo Lopez-Paredes

Adolfo Lopez-Paredes
Universidad de Valladolid | UVA · INSISOC

Professor
Principles and Fundamentals of Economic Decisions

About

147
Publications
66,891
Reads
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1,570
Citations
Introduction
Adolfo López-Paredes is Full Professor at the University of Valladolid (Spain). He graduated from the University of Oviedo in Industrial Engineering (1994) and obtained his Ph.D. in 2000 on applications of agent-based simulation to economic analysis, in the University of the Basque Country. His research interests within the INSISOC Group include project management and computer simulation of social and economic behavior and industrial policy, and auctions design.
Additional affiliations
November 1994 - October 2015
Universidad de Valladolid
Position
  • Professor (Full)

Publications

Publications (147)
Article
Full-text available
Recent disasters and rapid changes in the environment have shown various open issues in organizational resilience, in particular the use of communications. We explore the use of Network Theory to study the robustness of communications in organizations regardless their structure and the communication mechanisms used. We focus on how a collapse in th...
Article
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Project managers need to manage risks throughout the project lifecycle and, thus, need to know how changes in activity durations influence project duration and risk. We propose a new indicator (the Activity Risk Index, ARI) that measures the contribution of each activity to the total project risk while it is underway. In particular, the indicator i...
Article
Full-text available
Earned duration management (EDM) is a methodology for project schedule management (PSM) that can be considered an alternative to earned value management (EVM). EDM provides an estimation of deviations in schedule and a final project duration estimation. There is a key difference between EDM and EVM: In EDM, the value of activities is expressed as w...
Article
Full-text available
Purpose: The new competitive environment characterized by innovation and constant change is forcing a new organizational behavior. This requires a digital transformation of SMEs based on collective performance determinants. SMEs have particular characteristics that differentiate them from large companies and a model that allows them to identify, le...
Chapter
There are proven techniques and tools that project managers use to monitor and control the project. Some of them are as common as the Earned Value methodology (EVM). Due to the limitations of the previous methodology, procedures arise that incorporate uncertainty in the project control. However, the advance in research on advanced statistical techn...
Article
Full-text available
A variety of phenomena (such as the spread of diseases, pollution in rivers, etc.) can be studied as diffusion processes over networks (i.e., the diffusion of the phenomenon over a set of interconnected entities). This research introduces a method to study such diffusion processes in multiplex dynamic networks. We use a formal Modeling and Simulati...
Chapter
The original version of this book was inadvertently published with incorrect author name in the chapter “Application of Combinatorial Auctions to Create a 3D Printing Market” the author's name has been changed from “Sandra Castillo” to “Salvador Castillo-Rivera”.
Chapter
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Digital transformation has become a necessity for SMEs if they want to compete in an increasingly globalized market. The proposed maturity models are not really useful for moving forward, as they have been developed for large companies and are not adapted to the particularities of SMEs. We propose an alternative approach based on individual and org...
Chapter
This work presents the bases of a managed market, “Lonja”, using combinatorial auctions. This is used to purchase products made with 3D printing (additive manufacturing technologies). In this market, the organization and coordination of collaborative offers will be facilitated between the customers that will receive the bids from the manufacturers...
Article
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p>Genetic Algorithms (GAs) are introduced to tackle the packing problem. The scheduling in Additive Manufacturing (AM) is also dealt with to set up a managed market, called “Lonja3D”. This will enable to determine an alternative tool through the combinatorial auctions, wherein the customers will be able to purchase the products at the best prices f...
Article
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Las grandes empresas están totalmente involucradas en su transformación digital, y en concreto en el desarrollo de proyectos estratégicos de Business Intelligence (BI). Cuentan con una Estrategia Digital y directivos al más alto nivel gestionando el cambio. En las PYMES también se realizan proyectos de BI. En este trabajo se presentan los resultado...
Article
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Additive manufacturing of spare parts significantly impacts industrial, social, and environmental aspects. However, a literature review shows that: (i) academic papers on the adoption of additive manufacturing have focused mainly on large companies; (ii) the methods required by SMEs to adopt new technologies differ from those employed by large comp...
Article
Full-text available
The main issue for portfolio managers is to find a feasible schedule that guarantees the availability of the resources required by the activities at the dates they are scheduled, which is the classical objective of the Resource-Constrained Multi-Project Scheduling Problem (RCMPSP). This paper goes one step further and presents an algorithm that sol...
Conference Paper
Since the Earned Duration Management (EDM) methodology was introduced as an alternative tool for project monitoring and control, several research projects have arisen to take advantage of the results offered by this methodology. The objective of this paper is twofold, on the one hand, to incorporate uncertainty into the project activities and to us...
Article
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This paper presents a novel algorithm to solve the multi-project scheduling problem with resource constraints (RCMPSP). The algorithm was tested with all the problems proposed in the multi-project scheduling problem library, which is the main reference to benchmark RCMPSP algorithms. Our analysis of the results demonstrates that this algorithm, in...
Article
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p>In this paper, we study the impact of the Capability Maturity Model Integration (CMMI) on firm performance both during and after its implementation. The literature pointed out that CMMI is theoretically related to the generation of dynamic capabilities. To give an empirical view of these theories, we built a database of economic and financial dat...
Conference Paper
Full-text available
There are proven techniques and tools that project managers use to monitor and control the project. Some of them are as common as the Earned Value methodology (EVM). Due to the limitations of the previous methodology, procedures arise that incorporate uncertainty in the project control. However, the advance in research on advanced statistical techn...
Conference Paper
Full-text available
We describe an Abstract Model for Diffusion Processes to simu-late diffusion processes in multiplex dynamic networks using formal modeling and simulation (M&S) methodologies (in this case, the DEVS formalism). This approach helps the users to implement diffusion processes over a network by using the net-work specification and the diffusion rules. T...
Article
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Presentamos una formulación unificada para el problema de programación con recursos limitados en entornos mono y multi-proyecto: Resource-Constrained Project Scheduling Problem (RCPSP) y Resource-Constrained Multi-Project Scheduling Problem (RCMPSP), respectivamente. Aunque este tema ha sido tratado ampliamente en la literatura, no nos consta que l...
Article
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p>We present a literature review about organizational resilience, with the goal of identifying how organizational resilience is conceptualized and assessed. The two research questions that drive the review are: (1) how is organizational resilience conceptualized? and (2) how is organizational resilience assessed? We answer the first question by ana...
Chapter
The aim of this chapter is to simulations. The reader with a set of concepts and a range of suggested activities that will enhance his or her ability to understand agent-based simulations. To do this in a structured way, we review the main concepts of the methodology (e.g. we provide precise definitions for the terms “error” and “artefact”) and est...
Article
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p>Developing resilient individuals, organizations and communities is a hot topic in the research agenda in Management, Ecology, Psychology or Engineering. Despite the number of works that focus on resilience is increasing, there is not completely agreed definition of resilience, neither an entirely formal and accepted framework. The cause may be th...
Chapter
We are at the beginning of a new technological revolution, propelled by the development of cyber-physical systems and technologies like Internet of Things, Bid Data, Cloud Computing, 3D Printing, etc. Therefore, we will see an avalanche of projects to implement new business models, products, services and companies. In this paper, we analyse the mai...
Chapter
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The interest in how to build resilient organizations is increasing in the last two decades. However , there is no formal and accepted framework yet. In this paper, we argue that the application of the principles of the Viable System Model (VSM) improves organizational resilience. We also argue that the VSM constitutes a valid framework to design re...
Chapter
Economic Activity takes two alternative forms: the Market and the Firm. Economics is a social science that tries to explain how to generate wealth and how it is distributed. The firm is a social organization whose members decide to cooperate to generate wealth and its distribution among the stakeholders. They certainly share a common goal. However,...
Conference Paper
Recent disasters have shown the need to improve emergency plans and the importance of the communications while managing the emergency. These communications can be modeled as an information transmission problem in multiplex social networks in which agents interact through multiple interaction channels (layers). Here, we propose a hybrid model combin...
Conference Paper
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El Descubrimiento de América permite hacer un análisis completo de la Gestión de los Stakeholders en un proyecto. La investigación se divide en tres pasos. Primero, la identificación de los principales interesados, sus roles, intereses y expectativas. Segundo, clasificación de su impacto. Y tercero, evaluación de la influencia en el proyecto de ést...
Article
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Start-up firms are novel companies, looking for a validated business model. In this paper, we argue that start-ups can be managed more effectively and efficiently as a portfolio of projects, instead of using the classical functional organization. As new firms, start-ups must define and implement new products and services, develop new markets, stabl...
Article
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Recent disasters reveal that crisis can no longer be considered rare events. In these circumstances, the study of those situations demonstrates that there is a need to test and improve organizational resilience. Complex network theory is a methodology that allows us to model organizations and test their resilience. In this work, we analyze the resi...
Article
The Nuclear Emergency influence domain spreads over a large number of systems of different natures. Nuclear Emergency Plans (NEPs) are usually designed using a top-down approach, establishing a hierarchy working as a command chain. Although this provides advantages in terms of control, it might not be flexible enough to face unpredicted emergent be...
Article
The Discovery of America marks the point between the medieval times and the modern age, and it can be considered as a good case study for the project stakeholder management. Although the Stakeholder Theory appeared in the 1980s in the Management, it took a relevant function in the project management in the last years. The different roles played by...
Conference Paper
The Discovery of America is a good example of Project Stakeholder Management. Although the Stakeholder Theory appeared in the 80’s in the Management, it took a relevant function in the Project Management in the last years. In fact, the most important publications in this area (PMBOK and ISO 21500) have considered in their last versions. The differe...
Conference Paper
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La Metodología del Valor Ganado permite al Director de Proyecto identificar desviaciones en la ejecución del proyecto (costos, retrasos) respecto de su planificación, o conocer si se está ejecutando mejor que lo previsto. Teniendo en cuenta la incertidumbre de las actividades, la metodología no especifica si la desviación respecto de los valores pr...
Conference Paper
Airport slot allocation is a combinatorial allocation problem (CAP) involving different complex and autonomous systems. Nowadays, the slots are allocated in a two-stage process: primary allocation is performed according to a set of administrative rules and for each airport independently, while secondary allocation is based on trading mechanisms. Se...
Article
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In this paper we propose a new methodology for project control under uncertainty. In particular, we integrate Earned Value Methodology (EVM) with project risk analysis. The methodology helps project managers to know whether the project deviations from planned values are within the “expected” deviations derived from activity planned variability. Alt...
Article
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For years, many research studies have focused on programming projects, assuming a deterministic environment and complete task information. However, during the project performance, schedule may be subject to uncertainty which can lead to significant modifications. This fact has led to an increasing scientific literature in the field. In this article...
Article
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Project Portfolio Management (PPM) has been mainly concerned with aligning projects with corporate strategy, focusing on methodologies for project valuation, selection and ranking. The output of PPM is a collection of selected projects, ranked according to their contribution strategy. On the other side, multi-project management (MPM) is focused on...
Article
ACCESS (www.access-sesar.eu) is a SESAR WPE project aimed at designing, analysing and assessing alternative slot allocation mechanisms for primary and secondary allocation at congested airports. Compared to the current system, mainly based on administrative regulation and historic rights, ACCESS is focused on the study of market mechanisms. Market...
Book
This book presents papers by experts in the field of Industrial Engineering, covering topics in business strategy; modelling and simulation in operations research; logistics and production; service systems; innovation and knowledge; and project management. The focus of operations and production management has evolved from product and manufacturing...
Conference Paper
In this paper we present a novel learning methodology for the development of Project Management (PM) competences. This methodology has been successfully applied on the practical module of the Master in Project Management of the University of Valladolid (Spain) over the last four terms. As in most masters in PM, our practical module includes pract...
Conference Paper
In this paper we explore through a case study how project estimated duration and project variability are affected by changes in activity duration and/or its variability. This analysis allows us to reveal the most influencing activities, and how they impact project duration and variability. At the same time, criticality in-dex and cruciality index a...
Conference Paper
A nuclear emergency (NE) may dramatically impact on several interrelated domains such as health, critical infrastructures, land use, etc. A Nuclear Emergency Plan (NEP) involves multiple systems acting in a coordinated way, according to a pre-established organisation, which is endowed with a set of rules, communications and commands. Usually the NE...
Article
Full-text available
In this paper, we propose an innovative and simple graphical framework for project control and monitoring, to integrate the dimensions of project cost and schedule with risk management, therefore extending the Earned Value methodology (EVM). EVM allows Project managers to know whether the project has overruns (over-costs and/or delays), but project...
Chapter
Full-text available
Why Read This Chapter? Given the complex and exploratory nature of many agent-based models, checking that the model performs in the manner intended by its designers is a very challenging task. This chapter helps the reader to identify some of the possible types of error and artefact that may appear in the different stages of the modelling process....
Article
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International Development (ID) projects have turned project failure into a rule rather than an exception. Developed in the 1960's, the Logical Framework Approach (LFA) is the most widespread body of knowledge for managing ID projects. However, LFA has proved to have several liabilities. This paper aims to provide a list of the critical success fact...
Conference Paper
En este artículo se realiza un estudio sobre la duración estimada del proyecto y su variabilidad y como estos parámetros pueden verse afectados al modificar los correspondientes valores esperados medios y variabilidad esperada de cada una de las actividades. Del estudio se deducen qué actividades son las más influyentes y en qué medida modifica...
Conference Paper
Full-text available
In this paper, we propose a graphical framework for integrated management of project cost, time and activity risks. We use Earned Value methodology and Monte Carlo simulation in order to define control indexes. These control indexes tell us whether the cost and time deviations from planning phase remain under the expected project variability. By me...
Article
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El modelado basado en agentes es una herramienta que en las dos últimas décadas está siendo cada vez más utilizada para el estudio de sistemas complejos en distintos ámbitos de las ciencias sociales y como ayuda para la toma de decisiones. Las entidades de los sistemas sociales pueden ser modeladas como agentes autónomos que interaccionan en un ent...
Article
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The topology of interactions has been proved very influential in the results of models based on learning and evolutionary game theory. This paper is aimed at investigating the effect of structures ranging from regular ring lattices to random networks, including small-world networks, in a model focused on property distribution norms. The model consi...
Article
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A major challenge in agent-based modelling is the management of the process to generate executable simulations from the initial conceptual models. This process is complex and usually involves several roles, which may raise communication problems due to the diverse backgrounds and perspectives of participants and the use of non-explicit knowledge. T...
Article
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Some research papers on the topic of agent based simulation of complex social systems representing different responses to the severe challenge that complex social systems pose are presented. Troitzsch's paper on interactions in human social systems proposes a framework for the formalization of messages and communications. Giardini and Conte argue t...
Conference Paper
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Ampliando el trabajo de investigación que los autores desarrollan sobre la incertidumbre en los proyectos, en este artículo integraremos el riesgo estacional presente en el proyecto para poder comparar la Línea Base de Riesgos resultante de cada periodo, en función de la fecha de comienzo del Proyecto. Posteriormente y representando en nuestro gráf...
Article
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In this paper we propose two new metrics that combine Earned Value Management (EVM) and Project Risk Management for project controlling and monitoring. We compare EVM cost and schedule variances with the deviation the project should have under the risk analysis expected conditions.These two indexes allow project managers to analyse whether the proj...
Article
This paper presents a methodology and tools for SoS engineering. The approach is based on the experience acquired in several developments made in the context of the SiCoSSyS project. It considers that the nature of SoS requires (1) the participation of a diversity of people with different backgrounds and profiles, and (2) to cope with the heterogen...
Article
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The effect of spatial structure has been proved very relevant in repeated games. In this work we propose an agent based model where a fixed finite population of tagged agents play iteratively the Nash demand game in a regular lattice. The model extends the multiagent bargaining model by Axtell, Epstein and Young modifying the assumption of global i...
Article
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In this paper we show the results of a detailed replication of the Emergence of Classes Model (Axtell et al. 2000). We study the effect of possible biases on the original proposal and we find additional results and conclusions. We also explore the effects of minor changes on the decisions rules that agents play.