Melbourne Institute of Applied Economic and Social Research - Research Publications

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HOSPITAL TYPE AND PATIENT OUTCOMES: AN EMPIRICAL EXAMINATION USING AMI READMISSION AND MORTALITY RECORDS

Jensen, PH ; Webster, E ; Witt, J (WILEY, 2009-12)

This paper investigates whether there are differences in patient outcomes across different types of hospitals using patient-level data on readmission and mortality associated with acute myocardial infarction (AMI). Hospitals are grouped according to their ownership type (private, public teaching, public non-teaching) and their location (metropolitan, country and remote country). Using data collected from 130 Victorian hospitals on 19,000 patients admitted to a hospital with their first AMI between January 2001 and December 2003, we consider how the likelihood of unplanned re-admission and mortality varies across hospital type. We find that there are significant differences across hospital types in the observed patient outcomes - private hospitals persistently outperform public hospitals.
ANOTHER LOOK AT THE RELATIONSHIP BETWEEN INNOVATION PROXIES

Jensen, PH ; Webster, E (WILEY, 2009-09)

Shortcomings in the treatment of intangible investment in company accounts imply that there is no statistical collection for innovative activity which abides by the logic used for other economic activity data. As a consequence, analysts rely on innovation proxies derived from administrative and survey data. However, it is still unclear exactly how the different proxies are correlated, and whether the choice amongst different proxies matters. In the light of the innovation measurement, this paper takes another look at the relationship between different proxies of firm innovation. The results show that firm‐level correlations between survey‐based indicators and other proxies for innovation are highest for manufacturing firms and for product innovations.
Firm size and the use of intellectual property rights

Jensen, PH ; Webster, E (WILEY, 2006-03)
Innovation, Technological Conditions and New Firm Survival

Jensen, PH ; Webster, E ; Buddelmeyer, H (WILEY-BLACKWELL, 2008-12)

High neonatal mortality is one of the most salient ‘facts’ about firm performance in the industrial organisation literature. We model firm survival and examine the relative influence of firm, industry and macroeconomic factors on survival for new vis‐à‐vis incumbent firms in Australia. In particular, we focus on how the intensity of innovation in each industry relates to firm survival. Our results imply that while new firms thrive in risky and innovative industries, they are also more susceptible to business cycle effects such as changes in the rate of growth of industry profits and the availability of equity finance.