Advanced Systems Analysis—exploratory applied mathematics—is IIASA’s “operating system,” allowing scientists to evaluate and assess some of the most persistent and pervasive problems of our time.
The World Population Program (POP), with three other IIASA programs—Energy (ENE), Mitigation of Air Pollution and Greenhouse Gases (MAG), and Ecosystems Services and Management (ESM), has begun to implement the crosscutting project “Accounting for socioeconomic heterogeneity in IIASA models.” more
Advanced System Analysis (ASA) Program researchers develop methods and case-studies analyzing ecological, economic, energy, financial and other networked empirical systems. These methods often originate in the natural science disciplines (e.g., physics, ecology) and then transfer to social sciences disciplines (e.g., economics). more
The Advanced Systems Analysis (ASA) Program coordinates the IIASA’s Futures Initiative on Eurasian Economic Integration, dealing with the complex issues of economic cooperation between countries of the Eurasian continent. more
Advanced Systems Analysis (ASA) Program researchers work on conceptualizing the notion of sustainability and exploring different approaches to evaluating and quantifying it. more
The Advanced Systems Analysis (ASA) Program coordinates the IIASA’s Futures Initiative on Eurasian Economic Integration, dealing with the complex issues of economic cooperation between countries of the Eurasian continent. more
Important progress was achieved by scientists of the Transition to New Technologies (TNT) Program in a number of in-house collaborative research projects and externally funded research contracts, including a project within IIASA’s Advanced Systems Analysis Forum. more
Advanced Systems Analysis (ASA) Program researchers advance methods of control theory that allow models of complex human-Earth interactions to be studied under incomplete information and uncertainty. more
Computing power provided by the in-house Ecosystems Services and Management (ESM) Condor cluster more than quadrupled as compared to 2013 and reached an equivalent of 21 core-years in 2014. more
Advanced Systems Analysis (ASA) Program researchers apply contemporary approaches to analyze newly available data sets and find new insights and stylized facts. more
Living systems undergo ecological and evolutionary change. Typically, ecological and evolutionary dynamics interact, giving rise to eco-evolutionary dynamics that cannot be understood in terms of either ecology or evolution alone. more
In 2014 Evolution and Ecology Program (EEP) researchers further strengthened the individual-based foundations of ecological and evolutionary models. more
Advanced Systems Analysis (ASA) Program researchers develop and study stylized models of endogenous economic growth in which long-term economic growth is generated by such factors as physical and human capital. An extended form of these models also includes feedback with the environment. more
A new interdisciplinary cross-cutting project aims to narrow the gap between case studies and mathematical models by focusing on formal and informal institutions for overcoming the tragedy of the commons, using experimental games and agent-based models as stepping stones. more
Research by the Evolution and Ecology Program (EEP) in 2014 continued to apply mathematical models to elucidate the formation and maintenance of vegetation diversity, structure, and functioning. more
Through case studies, Advanced Systems Analysis (ASA) Program researchers model interconnected food, water, and energy systems at the local and global levels with the aim of suggesting robust management strategies with respect to uncertainties and risks. more
The World Population Program (POP), with three other IIASA programs—Energy (ENE), Mitigation of Air Pollution and Greenhouse Gases (MAG), and Ecosystems Services and Management (ESM), has begun to implement the crosscutting project “Accounting for socioeconomic heterogeneity in IIASA models.” more
The Energy (ENE) Program contributed to a cross-cutting collaborative research project by developing projections of future national income distributions. more
Advanced System Analysis (ASA) Program researchers develop methods and case-studies analyzing ecological, economic, energy, financial and other networked empirical systems. These methods often originate in the natural science disciplines (e.g., physics, ecology) and then transfer to social sciences disciplines (e.g., economics). more
Advanced Systems Analysis (ASA) Program researchers work on conceptualizing the notion of sustainability and exploring different approaches to evaluating and quantifying it. more
Advanced Systems Analysis (ASA) Program researchers develop dynamic network models of ecological, economic, and social systems. There is a particular focus on the issue of financial systemic risk and cascading failures in the inter-bank lending network. more
Advanced Systems Analysis (ASA) Program researchers develop and study stylized models of management of heterogeneous resources to allow them to analyze size-structured populations, such as fish and forests; the aim is to understand the consequences of various management strategies and also to reveal which management principles can optimize certain economic and environmental objectives. more
Advanced Systems Analysis (ASA) Program researchers have developed a framework to produce policy instruments that are robust with respect to potential uncertainties to combat growing risks from natural hazards. more
Advanced Systems Analysis (ASA) Program researchers are developing agent-based modeling frameworks that simulate economic agents (individuals, firms, banks, and so on) and their interactions under different regulations and input scenarios. more
Advanced Systems Analysis (ASA) Program researchers are advancing game theory approaches and applying them to the study of stylized models of social interactions. more
The increasing interdependence of critical systems such as financial markets, food-supply chains, and energy grids poses new challenges for risk management, which must account for cascading failures propagating across a network of dependencies. more
Hongmei Zheng of the School of Environment, Beijing Normal University, China, analyzed how the three regions within the Jing-Jin-Ji agglomeration interact with each other and their roles in its development. more
Jun Liu of the College of Environmental Sciences and Engineering, Peking University, Beijing, China, explored the potential benefits in terms of air pollutant reduction through natural gas substitution strategies in power plants, residential combustion, and industrial boilers in the Jing-Jin-Ji region. more
Moonil Kim of Korea University, Republic of Korea, aimed to improve the existing forest growth model and research algorithms of the G4M model so that it could be adapted to South Korea. more
Pietro Landi of the Evolution and Ecology Program is studying animal movement behavior and the sustainable management of fisheries to assess the adaptive behavior of single individuals in ecosystems and societies. more
Miho Kamei of the University of Tokyo/National Institute for Environmental Studies, Japan, investigated the future role of cities in improving energy efficiency and decreasing emissions. more
Thi Luu of Kiel University, Germany, empirically analyzed the structure of the Spanish credit network, the temporal changes in it, and the systemic risk of overlapping portfolios. more
Hana Nielsen of the Department of Economic History, Lund University, Sweden, aimed to identify whether the regime change (from market to centrally planned economy) in Czechoslovakia had an impact on the domestic iron and steel industry. more
Askhad Panesh of the Adyghe State University, Russian Federation, looked at how the physiological state of individuals affects the dynamics of the population of which it is part. more
Daniel Jessie of the Advanced Systems Analysis Program is working to introduce a different mathematical approach to understanding the nature of dynamical network processes where standard mathematical tools can only provide analytical solutions in simplest cases. more
Artem Baklanov of the Advanced Systems Analysis Program is analyzing iterated social dilemmas that will help reveal features of stability of interactions, thereby helping individuals learn, though interaction, how to cope with behavioral uncertainty, understand the interests of other individuals, and better adapt to changing social environments. more
Matthias Wildemeersch is working in the Advanced Systems Analysis and Ecosystems Services and Management Program on the dynamical behavior of large-scale networks with the aim of strategies to improve network robustness. more
Olga Turkovska of the Lviv Polytechnic National University, Ukraine, used information on the age structure of forest, its growth function, and forest management options (e.g., several rotation lengths), to estimate forest productivity development. more
Haoqi Liu of Xinjiang University, China, used modeling to investigate how habitat loss affects biodiversity when evolutionary dynamics are stable. more
Jessica Gephart of the University of Virginia, USA, investigated how the global seafood trade network responds to environmental and policy perturbations. more
Christina Kaiser is working in the Evolution and Ecology Program using a computer model that she developed and tested herself which simulates decomposing litter or soil at microbial-relevant scales to understand mechanisms emerging from complex microbial interactions at the microscale. more
Jonas Wickman of Umeå University, Umeå, Sweden, studied how interaction between aspects of food webs shapes the structure and formation of food webs. more
Danielle Haak of the University of Nebraska at Lincoln, USA, assessed how humans aid the movement of an aquatic species and what effects this species has on an ecosystem after introduction. more
Pietro Landi of the Evolution and Ecology Program is studying animal movement behavior and the sustainable management of fisheries to assess the adaptive behavior of single individuals in ecosystems and societies. more
