Income and Technology as Drivers of Australian Healthcare Expenditures.

Area of Science:

• Health Economics
• Econometrics
• Health Policy Research

Background:

• Aggregate healthcare expenditure (HEXP) is influenced by income and medical technology.
• Understanding these drivers is crucial for health policy and economic research.
• Previous studies often lack comprehensive, long-term data or diverse technology proxies.

Purpose of the Study:

• To analyze the determinants of Australia's aggregate healthcare expenditure (HEXP) using an extended time series (1971-2011).
• To investigate various technology proxies, including R&D spending and medical device indexes, to quantify technology's impact on HEXP.
• To determine if Australian healthcare behaves as a normal good and a technical necessity.

Main Methods:

• Time-series econometrics modeling techniques applied to annual aggregate data from 1971 to 2011.
• Investigation of multiple technology proxies: economy-wide R&D, hospital R&D, mortality rates, and technology indexes.
• Application of the residual component method and technology proxy approach to quantify technology's effect on HEXP.

Main Results:

• Australian aggregate healthcare expenditure is a normal good, with income elasticity estimates between 0.51 and 0.97.
• Technology's estimated effect on HEXP ranges from 0.30 to 0.35, consistent with findings from US data.
• These results indicate a significant and global influence of healthcare technology on expenditure.

Conclusions:

• Income and technology are confirmed as major determinants of Australian healthcare expenditure.
• The findings support the global trend of increasing healthcare costs driven by technological advancements.
• Policy implications suggest considering both economic factors and technological diffusion in healthcare spending management.