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No. 3 - Department of Treasury - The Western Australian Government

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2006 <strong>No</strong>.3 <strong>Western</strong> <strong>Australian</strong> Economic Summary<strong>The</strong> weaker growth in the broader GSP measure arose partly because realnet exports detracted 3.0 percentage points from GSP growth, reflecting botha small fall in the volume <strong>of</strong> exports and strong imports growth. This doesnot, however, reflect changes in export values driven by higher commodityprices – while merchandise exports fell by 0.9% in volume terms, they grewin value by 25% due to higher commodity prices.In current prices, the State’s GSP grew by 15.9% in 2005-06, which was morethan three times the growth in real GSP <strong>of</strong> 4.9%. <strong>The</strong> main reason for thisstrong current price growth was higher export prices, which underpinnedgrowth in the GSP price deflator <strong>of</strong> 10.5%, while the deflator for domesticdemand rose by just 4.5%.Real GSP growth measures increases in the volume <strong>of</strong> production. Changesin prices are not reflected in the growth rate, even though such increases canlead to greater spending power throughout the economy. Real GSP can be apoor measure <strong>of</strong> changes to the community’s economic well-being whenexport prices are rising faster than domestic prices. Rising relative exportprices mean that a given volume <strong>of</strong> domestic production can be exchangedfor a larger volume <strong>of</strong> imports, raising the community’s real spendingpower.A better indicator <strong>of</strong> spending power in these circumstances is real GrossState Income, which measures the purchasing power <strong>of</strong> domestic productionby adjusting the volume <strong>of</strong> exports to reflect changes in the terms <strong>of</strong> trade.In 2005-06, <strong>Western</strong> Australia’s real Gross State Income increased by 10.6%,following an increase <strong>of</strong> 8.5% in 2004-05. Growth in Gross State Income hasexceeded GSP growth significantly in recent years, reflecting the effect <strong>of</strong>rising commodity prices and the increasing terms <strong>of</strong> trade on the State’s realpurchasing power (Figure 1).18%16%14%12%10%8%6%4%2%0%-2%Figure 1MEASURES OF ECONOMIC GROWTH<strong>Western</strong> Australia, Annual1991-92 1993-94 1995-96 1997-98 1999-00 2001-02 2003-04 2005-06Real Gross State Product Real Gross State Income <strong>No</strong>minal Gross State ProductSource: ABS Cat. 5220.0<strong>Department</strong> <strong>of</strong> <strong>Treasury</strong> and Finance 3

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