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Instructors are a chief input into the higher education production process, yet we know very little about their role in promoting student success. This is in contrast to elementary and secondary schooling, for which ample evidence suggests teacher quality is an important determinant of student...
Persistent link: https://www.econbiz.de/10012455682
This article investigates how a firm's financial strength affects its dynamic decision to invest in R&D. We estimate a dynamic model of R&D choice using data for German firms in high-tech manufacturing industries. The model incorporates a measure of the firm's financial strength, derived from...
Persistent link: https://www.econbiz.de/10012456639
We present an econometric method for estimating the parameters of a diffusion model from discretely sampled data. The estimator is transparent, adaptive, and inherits the asymptotic properties of the generally unattainable maximum likelihood estimator. We use this method to estimate a new...
Persistent link: https://www.econbiz.de/10012470313
We ask whether stock returns in France, Germany, Japan, the UK and the US are predictable by three instruments: the …
Persistent link: https://www.econbiz.de/10012470517
This paper provides a general framework for integration of high-frequency intraday data into the measurement forecasting of daily and lower frequency volatility and return distributions. Most procedures for modeling and forecasting financial asset return volatilities, correlations, and...
Persistent link: https://www.econbiz.de/10012470566
pricing using a unique policy experiment from Germany. Starting in 1989, a maximum reimbursement for a given medicine replaced …
Persistent link: https://www.econbiz.de/10012470878
Over the last twenty years the wage-education relationships in the US and Germany have evolved very differently, while … files from the PSID (US) and the GSOEP (Germany), we demonstrate how factor movements within these countries are associated … capital over the 1979-96 period, while Germany accumulated factors in a more balanced manner …
Persistent link: https://www.econbiz.de/10012471064
. In addition to standard Wald tests, we formulate Lagrange Multiplier and Distance Metric tests which require estimation … under the non-linear constraints of the null hypotheses. Estimation under the null is achieved by iterating on approximate …
Persistent link: https://www.econbiz.de/10012471161
In 1997 GDP per capita in East Germany was 57% of that of West Germany, wage rates were 75% of western levels, and the … bring convergence, labor flows would respond, enhancing overall efficiency. Yet net emigration from East Germany has fallen … from high levels in 1989-1990 to close to zero. Using state-level data for all of Germany, available from 1991-1996, I am …
Persistent link: https://www.econbiz.de/10012471211
quantiles rose relative to that of workers in lower quantiles. An identical phenomenon is observed among men in West Germany in …
Persistent link: https://www.econbiz.de/10012471452