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Unformatted text preview: #########@##.0 #######8#K####V#######)*#+#,- #(c#D#+########### ########################/#########################"###R#g ##########)*#+#,- #(c##U################################################# ###############H############)*#+#,- #(a########################h#################\ E################N#######)*#+#,- #(c##X########### ######################p#h#Ff#######################K## ##########)*#+#,- #(a###j##########################################@## #######E##B#$#_#######)*#+#,- #(c#i############# #######################1######################G##w#Z ##########)*#+#,- #(a#a####################j# #J##################l##r##############p####! #######)*#+#,- #(M### ##################@########## #U###### ###################]########)*#+#,- #( t#####################@###########'##### ##################/########)*+#####Bulicek, Kurt J ECON 415/ESES467 25 June 2009Homework #2GIVEN: Given quantities includes # assistants, directors, & executives within our corporate heirarchy. The model to the left simulates the dynamics of the company's employees entering & leaving the system in an effort to determine the ideal number of employees of a given position within the company. QUESTIONS: 1. Run the model as described in the text & describe the result.2. With DT = 1, STOP_TIME = 20, set all the flows as integers [INT(expression)] & describe the result-explaining why it differs from the result in question 1 & why the desired goals are not attained.3. Assuming only the hiring & promoting rates are variable...a. Allow the demotion of EXECUTIVES to DIRECTORS & DIRECTORS to ASSISTANTS, run the model & analyze the result.b. Set ASSISTANT_ATTRITION = 1.0, DIRECTOR_ATTRITION = 0.05, EXECUTIVE_ATTRITION = 0.02; Run the model under these parameters & explain result. 4. Under the previous model, modify variables HIRING & PROMOTING until the final result is somewhat congruent with the desired levels of the other entities within the model.SOLUTIONS:1. See graph 1, pg. 1, line 1-DESIRED_#_ASSISTANTS reaches its ideal value very quickly, then levels off. At this point, we have ~900 ASSISTANTS after 10 years time, but a dimishing number of executives & directors. This demonstrates that altering the RATE_OF_PROMOTING & RATE_OF_ASCENDING changes our values for DIRECTORS & EXECUTIVES (logically so). I.E.-the dynamic of corporate heirarchy is dramatically altered by changing these values.2. After changing the model to accommodate only integers, we see that the computer rounds RETIRING to zero, preventing a smooth flow of people being promoted up to replace those retiring. Per graph 1, pg. 2, our ASSISTANTS are quickly reach their peak while our DIRECTORS & EXECUTIVES remain constant since they remain...
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This note was uploaded on 08/30/2009 for the course ECON Dynamic Si taught by Professor Hannon during the Summer '09 term at University of Illinois at Urbana–Champaign.

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