1. 16 maggio 2006Master in economia e politica sanitaria - Simulazione per la sanità 1 _NetLogo _______________________________________ Uno strumento semplificato: NetLogo _______________________________________

2. 16 maggio 2006Master in economia e politica sanitaria - Simulazione per la sanità 2 digressioni su automi cellulari e tartarughe Digressioni su automi cellulari … con il gioco Vita (0->1 se 3 vicini; 1->1 con 2, 3 vicini; altrimenti 0->0; 1->0) utilizzando Life32, da http://psoup.math.wisc.edu/Life32.html … e tartarughe, con Logo, StarLogo e NetLogo NetLogo, http://ccl.northwestern.edu/netlogo/

3. 16 maggio 2006Master in economia e politica sanitaria - Simulazione per la sanità 3 NetLogo

4. 16 maggio 2006Master in economia e politica sanitaria - Simulazione per la sanità 4 NetLogo es. 1 Provare 30, 50, 70% Segregation

5. 16 maggio 2006Master in economia e politica sanitaria - Simulazione per la sanità 5 NetLogo es. 2 This model is a simple cellular automaton that simulates voting distribution by having each patch take a "vote" of its eight surrounding neighbors, then perhaps change its own vote according to the outcome. If the CHANGE-VOTE-IF-TIED? switch is on, then in the case of a tie, the central patch will always change its vote. If the AWARD-CLOSE-CALLS-TO- CLOSER? switch is on, then if the result is 5-3, the central patch votes with the losing side instead of the winning side. Voting

6. 16 maggio 2006Master in economia e politica sanitaria - Simulazione per la sanità 6 NetLogo es. 3 La tartaruga di Logo Code Example \ Random walk example

7. 16 maggio 2006Master in economia e politica sanitaria - Simulazione per la sanità 7 NetLogo es. 4 This program models a cocktail party. The party is made up of groups of both men and women. The partygoers have a TOLERANCE that defines their comfort level with a group that has members of the opposite sex. If they are in a group that has a higher percentage of people of the opposite sex than their TOLERANCE allows, then they are considered "uncomfortable", and they leave that group to find another group. This action continues until everyone at the party is "comfortable" within their group. Party

8. 16 maggio 2006Master in economia e politica sanitaria - Simulazione per la sanità 8 NetLogo es. 5 If individuals were the agents of the EMH the sentiment they would form would reflect only the news. However, in our model, of heterogeneous and boundedly rational agents, to this sentiment contribute not only the news themselves, but also the verbalized or someway transmitted sentiments of the individual's closest colleagues, and an own idiosyncratic aspect of the individual which influences his interpretation of both the news and his friends sentiments, thus, these elements together lead to the sentiment, that the individual is aware of, and that leads to the final decision to buy or sell. Artificial Financial Market