Biodiesel Production from Mixed Culture Algae Via a Wet Lipid Extraction Procedure

This paper presents an ordered logit approach to model the optimal timing of buying a house in the life cycle. The model is applied to three recent Belgian household budget surveys. We find that households postpone homeownership or choose to be lifelong tenant due to an increase of the transaction tax rate, the real interest rate on mortgages and an indicator for the evolution of real house pri...

Abstract This work deals with consumers' preferences about coffee. Firstly, a choice experiment is performed on sample of potential consumers. Following this, sensory test involving the tasting two varieties coffee carried out respondents, after which same supplied to them again. An innovative approach for building heterogeneous designs specifically developed case-study, based approximate desig...

BACKGROUND Laparoscopic surgery for common bile duct stones varies procedurally from a transcystic approach to laparoscopic choledochotomy (LC) with or without biliary drainage. However, LC is a difficult procedure with higher documented morbidity than the transcystic approach. We retrospectively investigated risk factors for adverse outcomes of LC. METHODS We used logistic regression models ...

In this study, the manner of private taxis drivers has been investigated for choosing passenger and destination from a fixed point. Therefore, two models called Multinomial and Nested Logit Models have been utilized. The information gained by scrolling in 2016 is the input data, which are in the format of revealed preference, acquired by the verbal interview in Vanak Square in Tehran (Iran). Ba...

Because of the decline of physical abilities of the elderly, their mobility is more vulnerable to topographical factors than younger population groups. However, topographical factors have been neglected in studies on travel behavior, and elderly people’s heterogeneous responses to topographical factors remain unknown. To fill this research gap, this study focuses on a hilly neighborhood called ...

Although social capital has been hypothesized to have positive influence on psychological health, a relationship between social capital dimensions and psychological wellbeing has rarely been found. This longitudinal study investigates the relationship between social participation in associations and self-rated psychological health. The paper uses five waves of the British Household Panel Survey...

This paper empirically explores the R&D promotion policy effects on SME performance measured by value-added productivity. We use a unique large panel data set on public R&D subsidy for Korean manufacturing firms. Econometrically, we control for counter-factual outcomes employing the DID (difference in differences) estimation procedure as well as for endogeneity of the R&D subsidy using the 2-st...

In this paper company-level panel data are used to explore the role of tax changes on corporate financial policy. A panel model for the years 1993-98 is estimated confirming the explanatory power of the tax variable. The estimation also shows that firms reduced leverage in the last three years (1996-98) as a reaction to important tax changes: the reduction in 1996 was the effect of the temporar...

Küreselleşme nedeni ile göç tüm Dünya’yı etkileyen bir konu haline gelmiştir. Dolayısıyla Dünya genelinde neredeyse ülkeler göçten etkilenmektedir. İçinde bulunduğumuz yüzyıl uluslararası göçün artışına itafen ‘göç çağı’ olarak adlandırılabilir. Genel insanların etmelerindeki temel nedenler ekonomik, sosyal, politik olmakla beraber, temelde daha iyi iş, çalışma şartları kısacası yaşama hayaline...