On the Persistence of Researchers in Technological Development
On the Persistence of Researchers in Technological Development
Raghu Garud
The book On the Persistence of Researchers in Technological Development was written by author Raghu Garud Here you can read free online of On the Persistence of Researchers in Technological Development book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is On the Persistence of Researchers in Technological Development a good or bad book?
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In this model, hazard rates are postulated to be log-linear functions of the variables X. In order to incorporate time variations in the explanatory variables, a multiple-spells formulation of this model was used. In the multiple spells formulation, each period is broken down into one-year observations in which the researcher is at risk of exiting. Each of these annual spells is treated as being right censored unless the researcher 12 exits. RATE (Tuma, 1980) was used to estimate the vector of ...parameter estimates by the method of maximum likelihood. Results . The model was estimated in a sequence of steps by adding sets of explanatory variables into the equation (see Table 1). First, variables pertaining to researcher type were included to control for variations among researchers' persistence because of organizational affiliation. The second model included the length of researchers' association along with the variable on cumulative productivity. This model was estimated to identify whether persistence may be an age dependent phenomenon after controlling for possible heterogeneity of the sample, and controlling for researcher success and reputation as measured by the cumulative produaivity variable.
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