Is Taking a Pill a Day Good for Health Expenditures? Evidence from a Cross Section Time Series Analysis of 19 OECD Countries from 1970 – 2000
This paper differs in two ways from previous comparative health system research. First, it focuses on the impact of pharmaceutical expenditures on total health expenditures as trends in pharmaceutical expenditures have been blamed of being a major driver of national health expenditures. In addition to pharmaceutical expenditures, other variables of interest are income, public financing, public delivery, ageing and urbanization. Second, the analysis includes a thorough sensitivity analysis on the proposed model using four samples (with and without the US, and imputed and not imputed data) to address the issue of robustness. Based on a typology of health care systems, trends of relevant explanatory variables are described using OECD Health Data 2003 data. Unlike any other of the variables, pharmaceutical expenditures show contradicting trends when measured as per capita pharmaceutical expenditures and pharmaceutical share of total health expenditures. Next, a regression analysis is performed on data from 1970 – 2000 for 19 OECD countries. Regression diagnostics indicated the absence of multicollinearity but the presence of heteroscedasticity and autocorrelation. Based on the Hausman test, a fixed effect model was chosen. As in all previous empirical research, per capita GDP turned out to be the most influential explanatory variable. While public financing of health care was always three out of four samples significantly inversely related to health expenditures, public delivery as a NHS dummy was always significantly positively related to the dependent variable. Unlike previous research, ageing is consistently and significantly related to higher total health expenditures and, so is urbanization. Finally, all samples show a highly negative relationship between share of pharmaceutical expenditures and health expenditures, suggesting support for the substitution theory.
|Date of creation:||May 2006|
|Date of revision:|
|Contact details of provider:|| Postal: |
Phone: 00352 / 58 58 55 - 1
Fax: 00352 / 58 58 55 - 700
Web page: http://iriss.ceps.lu/
More information through EDIRC
When requesting a correction, please mention this item's handle: RePEc:irs:iriswp:2006-01. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Philippe Van Kerm)
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
If references are entirely missing, you can add them using this form.
If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.
Please note that corrections may take a couple of weeks to filter through the various RePEc services.