Abstract. Angrist et al. (2002) study is reconsidered using a relatively new quantile regression approach for panel data models. The evidence suggests that the effect of winning a Colombian voucher is largest in the lower tail of the educational attainment distribution, a possibility that was conjectured by the original authors, but could not be confirmed empirically using existing regression m...

We investigate the impact of exogenous income fluctuations on health using twenty years of data from the Panel Study of Income Dynamics. To unravel the impact of income on health from unobserved heterogeneity and reverse causality, we employ techniques from the literature on the estimation of dynamic panel data models. Contrary to much of the previous literature on health and socio-economic sta...

This paper argues that actual technological spillovers are not substantial in developing countries because of the absence of an absorptive capacity. We carry out a panel data analysis in an attempt to gain insight into the specific aspects that enable economies to benefit from the backlog of existing knowledge. Our findings indicate that low productivity effects of human capital coupled with we...

Article history: Received 7 August 2008 Received in revised form 23 April 2009 Accepted 28 April 2009 Available online 5 May 2009

This paper examines whether foreign aid, together with other economic, social and environmental factors, contributes to sustainable development. It starts with a theoretical model where sustainable development is modelled as a different kind of growth that protects the environment. Using factor analysis and newly developed estimation methods for a dynamic panel data model with endogenous regres...

While many studies have affirmed the contributions of information technology (IT) to business value, people are not convinced. So far IT in the service industry has not yet been seen to be more productive. The data in most previous studies either focus on specific industries or exclude financial industry data. As such, the need to do an analysis on IT productivity in the service industry is imm...

abstract according to official statistics, domestic production of edible oils provides only less than 10 percent of the country's consumption needs, and therefore every year a significant amount of crude and prepared edible oils and fats is imported to the country spending a considerable amount of foreign exchange. over the past years rapeseed, as a new product, has been implemented by a limite...

In the context of the SustainCity project (http://www.sustaincity.eu), three European cities (Brussels, Paris and Zurich) will be modelled using the land use microsimulation platform UrbanSim. This platform relies on various models interacting with each other, to predict long-term urban development. The aim of this paper is to provide some econometric insight into this process. A common set of ...

the objective of this study was to assess the level of knowledge of the turkish farmers with regard to fertilizer usage. farmers in the kazova district of turkey's tokat province were interviewed regarding their soil maintenance practices. the interview was based on a standardized questionnaire the answers being recorded at the time of interview. simple random sampling method was used to d...

abstract the aim of this study was to assess the affects of agricultural extension programs on the promotion of the efficiency, knowledge and technical expertise of farmers. the study also aimed to analyze the factors affecting the acceptance of agricultural extension programs with regards to process of agricultural development. a survey consisting of 137 samples was conducted between wheat far...