Demand Models

These models and simulations have been tagged “Demand”.

Related tagsSupplyHousingEconomics

Insight diagram
This simple high level model shows the basic feedback balancing loop for health services. There are many other loops and component interactions at multiple scales that add to the complexity See areas of expenditure IM for some component splits and hospital value IM for some service linkages
Health Care Supply Demand Dynamics
Insight diagram
 A feedback loop on price and demand that I use as an illustration in a post.
Price - demand
Insight diagram

Supply and Demand tend to oscillate back and forth though Price.

Clone of Supply and Demand/SFD
Insight diagram

Supply and Demand tend to oscillate back and forth though Price.

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Supply and Demand/SFD
Insight diagram

Supply and Demand tend to oscillate back and forth though Price.

Clone of Supply and Demand/SFD
Insight diagram

Supply and Demand tend to oscillate back and forth though Price.

Clone of Clone of Supply and Demand/SFD
Insight diagram
Clone of Clone of basic warehouse stock control
Insight diagram

Supply and Demand tend to oscillate back and forth though Price.

Understanding Relationship and Their Implications: The Essence of AND?

Clone of Supply and Demand/SFD
Insight diagram

Supply and Demand tend to oscillate back and forth through Price.

Clone of Supply and Demand/CLD
Insight diagram
Clone of basic warehouse stock control
Insight diagram
Clone of Clone of Clone of basic warehouse stock control
Insight diagram
Clone of basic warehouse stock control
Insight diagram
Clone of basic warehouse stock control
Insight diagram
Clone of basic warehouse stock control
Insight diagram
Clone of basic warehouse stock control
Insight diagram
Clone of Clone 4of IM 27348, of JPS IM-27150 of original JPS IM-14117 See reference in diagram notes. WIP for Environment part of primary care regional model
Clone of Clone of Clone 5 The Ecology of Medical Care
Insight diagram
Clone of basic warehouse stock control
Insight diagram
Very simple ward occupancy model.
Clone of Simple ward DCAQ
Insight diagram
Clone of Clone of basic warehouse stock control
Insight diagram
Este modelo busca simular la demanda y oferta de materiales de construcción en la ciudad de Calí (Colombia), En cuanto a la demanda se presenta como principales iniciadores entre otros: 
La salud económica (PIB regional, desempleo, cartera hipotecaria)
Estado de la construcción (Licenciamientos, iniciaciones, obras civiles, despachos de cemento)
En cuanto a la oferta se presenta como principales iniciadores entre otros:
Capacidad de proveedores: (Disponibilidad de fuentes, Calidad)
Aspectos legales (Titulos mineros, socioambiental)
Transporte (Flete, estado de la red vial, precio de combustible, distancia de acarreo)

Oferta y demanda de materiales de construcción en Cali
Insight diagram
Clone of basic warehouse stock control
Insight diagram
Clone of basic warehouse stock control
Insight diagram
The housing market is heavily dependent on two main factors; supply and demand. Both play a major role in determining an equilibrium price for both sellers and buyers in the real estate market. 

Residents, or the general population of individuals, place significant reliance on financial institutions to provide sources of capital i.e mortgages, to fund their purchases of homes. The rate of interest charged by these organisations in turn gives buyers (consumers) purchasing power, creating demand. 

Supply is made up of the number of houses in the market, and consequently, of these, the number of houses which are up for sale. As the prices of houses for sale increases, the demand for purchase of these properties decreases. Conversely, the lower price, the higher the demand. Once the market reaches an equilibrium point, to which buyers and sellers form an agreement, houses are sold accordingly. An underlying factor to consider is the cost of construction, which impacts producers, or suppliers in this instance, and thus the number of homes for sale, and the expected profit sellers hope to achieve. 

The simulated graph highlights the common scenario within the housing market, to which we see that as price increases, the total number for houses for sale decreases, generating an opposite slope to the price. As the price for houses increases, the demand for the houses decreases and vice versa. The equilibrium is evident at time 14 whereby the price of houses and the number of houses for sale overlaps which in turn creates a market to which both buyers and sellers are happy.
Clone of The effect of Supply and Demand on the Housing Market Assignment 3 (43323871)
Insight diagram
My Insight - Housing and Social Cohesion