ABSTRACT The analysis of aggregate consumption growth, investment and economic growth have been carried out in West Sumatra. The purpose of this study was to clarify  the  effect of consumption,     investment,   taxation,  government    spending, consumption  of  the  previous  period,  the  interest  rate  and  disposal  revenue  to GDP in West Sumatra. The study was conducted with descriptive and associative with the use of secondary data in the form of time series, 1994 -2010. The results on   the  First Hypothesis    suggests   that the  development    of consumption,     the development of investment and the development of government spending together influential    significantly  to  economic    growth.   Partially,   the development       of consumption and the growth of government spending significantly and positively to  affect  economic  growth,  then  the  development  of  a  positive  and  significant effect  of investment    on economic    growth.   In the Second   Hypothesis    together previous period consumption growth and development of disposibel income and significant   positive  impact   on the development     of consumption.    Partially,  the previous period consumption growth and positive impact on the development of consumption  was  not  significant  and  influential  positive  revenue  development disposibel and significant to the development of consumption. Then on the Third Hypothesis jointly the credit interest rate of investment and economic growth has no  effect  on  the  development  of  significant  investment.  Partially,  credit  interest rates negatively and significant investment toward the development of investment and economic growth has positive influence on  the development and significant investment. The Fourth Hypothesis proved to be influential economic growth on the  development  of  the  tax  was  not  significant  in  West  Sumatra. Government efforts  need  to  be  able  to  continue  to  increase  government  spending  or  reduce taxes by increasing the production of regional output. In addition to government efforts are needed to further improve the quality of human resources by providing education     and  training,  scholarships   and  employment     opportunities    in labor- intensive  system.  To  overcome  the    problem  of   development    of investment   the government needs to take expansionary monetary action is by controlling interest rates in order to increase investment development. Key words : consumption, investation, government spending, economic growth
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