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What is Stock and Flows Diagram

Handbook of Research on Discrete Event Simulation Environments: Technologies and Applications
Stock and flow diagrams provide a bridge to system dynamics modeling and simulation. Basically Stock and flow diagrams contain specific symbols and components representing the structure of a system. Stocks are things that can accumulate—(Think of a stock as a bathtub.) Flows represent rates of change—(Think of a flow as a bathtub faucet, which adds to the stock, or a bathtub drain, which reduces the stock.) These diagrams also contain “clouds,” which represent the boundaries of the problem or system in question
Published in Chapter:
Modelling a Small Firm in Jordan Using System Dynamics
Raed M. Al-Qirem (Al-Zaytoonah University of Jordan, Jordan) and Saad G. Yaseen (Al-Zaytoonah University of Jordan, Jordan)
DOI: 10.4018/978-1-60566-774-4.ch021
Abstract
The Jordanian banks and the risk analysts in particularly are seeking to adapt and buy new analytical techniques and information systems that help in identifying, monitoring and analysing the credit risk especially for the small firms that represents the biggest firms’ base in the Jordanian markets. This chapter supports that what analysts need is a thinking tool that allow the user to simulate, understand and control different policies or strategies. It will then enable better decision to be made. A simulator based on system dynamics methodology is the thinking tool produced by this chapter. The system dynamics methodology allows the bank to test “What If” scenarios based on a model which captures the behaviour of the real system over time. The objectives of this chapter is to introduce new performance measures using systems thinking paradigm that can be used by the Jordanian banks to assess the credit worthiness of firms applying for credit.
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