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Most studies find little to no effect of classroom computers on student achievement. We suggest that this null effect may combine positive effects of computer uses without equivalently effective alternative traditional teaching practices and negative effects of uses that substitute more...
Persistent link: https://www.econbiz.de/10010496971
past 60 years, there have been many important developments in the RTA literature, both in terms of better methods to … quantify their effects, and also in terms of more and higher quality data. The objective of this paper is to trace the … evolution of the methods and data developments in the RTA literature, from Tinbergen's very first exploration until today, and …
Persistent link: https://www.econbiz.de/10013540804
study the effect of grandparents looking after grandchildren on quality of life and life satisfaction of grandparents. We …
Persistent link: https://www.econbiz.de/10012024588
the quality of life measurement; that good performances in BLI are not necessarily due to a high efficiency of the whole …
Persistent link: https://www.econbiz.de/10011305432
. Exploiting this novel feature of the model, we show that the canonical spatial equilibrium framework understates spatial quality …-of-life differentials, the urban quality-of-life premium and the value of local non-marketed goods. Unlike the canonical spatial equilibrium … improve quality of life. …
Persistent link: https://www.econbiz.de/10012388100
This paper examines how entrepreneurs and incumbents differ in R&D strategies. We show that entrepreneurs have incentives to choose projects with higher risk and a higher potential in order to reduce expected commercialization costs. However, entrepreneurs may still select too safe projects from...
Persistent link: https://www.econbiz.de/10011549385
We investigate the choice of quality, or academic content, in higher education in a two-sector model. Individuals are … differentiated according to their cost of acquiring human capital. A higher academic quality increases productivity upon training … quality is tailored to the individual need, and a uniform quality system being politically determined. The former yields a …
Persistent link: https://www.econbiz.de/10011309225
bilateral distance, tariffs, and the quality of their exports. Under the assumption that trade costs are both ad valorem and per … smaller in magnitude for higher quality exports. We find strong support for the predictions of the model using a unique data … set of Argentinean firm-level wine exports combined with experts wine ratings as a measure of quality. …
Persistent link: https://www.econbiz.de/10012157845
later school performance. We also consider different childcare characteristics such as duration and quality, which appear to … quality issues. …
Persistent link: https://www.econbiz.de/10011805102
I consider a contest in which the quantity of output is rewarded and another in which the quality of output is rewarded …. The output in the quality contest plays a dual role. It counts in the quality contest but it is also converted into … . I find that when the unit cost of producing quality is sufficiently high, then treating quality and quantity as the same …
Persistent link: https://www.econbiz.de/10011864509