Characterizing the shapley value to determine the voting power in malaysian general election 2013

Abstract

This study was carried out to investigate the use of Shapley-Shubik power index in modeling decision Malaysian general elections for 2013. The selection model based on the actual results of the 13th general election using the Shapley value, as proposed in this study is to determine the power of each party in the coalition to contest either the winning or losing combination. This was done by comparing the change in percentage of votes at 5%, 10% and 15% for each constituency. By using the Shapley value for each competing party, the study found that in most cases as a set percentage, UMNO is a major player or player who are indispensable axis by a coalition to win general election. Parti Pesaka Bumiputera Bersatu (PBB) is a great partner for UMNO to form a strong coalition. In addition, the use of Shapley-Shubik power index based on the actual results of the 13th general election is effective is to identify how the value of a party whether it is needed or not in determining a winning coalition. By using the Shapley value approach, an equitable distribution of federal cabinet seats in parliament, won the seat can be verified based on the data of 2013 federal cabinet seat.