This research aimed to give empirical evidence whether Indonesian Bank Notes
(Sertifikat Bank Indonesia) and exchange rate as proxies of macro variables have
influence to systematics risk of stocks traded in Jakarta Stock Exchange. Using
multivariate regression analysis with data of 43 samples company listed in year 2000
to 2002 which is brokedown into manufacturing firms and non manufacturing firms,
we concluded that Indonesian Bank Notes and exchange rate have a significant
influence to the systematics risk. We also find an interisting result that indutry
concentration has attributes to alter the relationship between the two macro variables
and systematics risk. In manufacturing firms, only exchange rate which influences the
systematics risk, in contrary, only the Indonesian Bank notes has influence to the
systematic risk for nonmanufacturing firms.