Abstract :
For many years, there have been debates about the cost and benefit of corporate
diversification strategy. For that reason, the objective of this study was to analyze the
influence of related and unrelated diversification toward excess value of firm, excess
value proxied firm?s performance. Moreover independent variables in this analysis were
level of diversification, industrial segmen, and type of diversification. In addition, the
analysis used control variables of leverage, Tobin?s Q ratio, earning growth, total asset,
and firm?s age. Using the control variables, they were expected to eliminate the mistakes
in drawing the conclusions.
Furthermore, the sample was the secondary data from Indonesia Stock Exchange
(BEI/ Bursa Efek Indonesia), i.e. the annual report of property and real estate listed from
2008 to 2010 in BEI. The sample was taken using the method of purposive sampling. The
sample was 11 single segmen companies, and 101 diversified companies consisted of 18
related diversified and 83 unrelated diversified.
The statistics method was multiplied linear regression analysis, with hypotheses
testing of t-test and F test. These analysis found that diversified company have negative
excess value comparing with single segmen company, and there no different excess value
between related diversified and unrelated diversified. Keywords: Related diversification, unrelated diversification, excess value, firm
performance, segment sales.