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Fuzzy Linear Demand and Fuzzy Linear Supply for<br />

Equilibrium and Total Revenue<br />

Chong Pik Huei<br />

Supervisor: Assoc. Prof. Dr. Abd. Fatah Bin Wahab<br />

Bachelor of Science (Financial Mathematics)<br />

School of Informatics and Applied Mathematics<br />

Nowadays, uncertainties exist in economic world. This research is conducted to determine<br />

the fuzzy equilibrium between fuzzy demand and fuzzy supply and also fuzzy total<br />

revenue. In this research, fuzzy theory will be applied as it includes uncertainties in the<br />

derivation. The methodology is divided into two parts. First, determining fuzzy equilibrium<br />

requires three steps. Firstly, the left-right fuzzy model including left-fuzzy, right-fuzzy and<br />

symmetrical mode was determined. Secondly, the fuzzy equilibrium was determined using<br />

defuzzification. Lastly, -cut was applied to get more precise solution. Secondly, fuzzy<br />

total revenue corresponding to left-right fuzzy model was determined. The expected<br />

resulted solution was more precised than in Yao and Wu’s paper for consumer surplus<br />

and producer surplus in 1999. The fuzzy equilibrium and fuzzy toral revnuewais expected<br />

to be pinpointed to a new, more precised solution.<br />

798 | UMT UNDERGRADUATE RESEARCH DAY 2018

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