in this study, the impact of internal r&d; expenditure, technology imports and interaction effects between human capital and technology imports on value added of iranian large industries are investigated over the period of 1994-2008. for this purpose, an endogenous growth model is used in which production is a function of labor, capital stock, human capital, internal r&d; expenditure, technolog...

the dependence of iran's economy to oil revenues and affecting the political and economic issues on income have caused the vulnerability of the economy. one way to meet these challenges is expanding such products, on the one hand improving the domestic economy and on the other hand increasing the exports. among the agricultural products, medicinal plants have a special role in the domestic...

abstract in present paper has tried to examine and investigate quality of effectiveness of monetary shocks on the growth of agricultural sector by using time series dataes of iran economy during 1960-2006 , filter hodric-prescott method and liner regressive models. the resultes show that qualily of effectiveness monetary shocks on growth of agricultural sector is asymmetric and length of effect...

The agricultural sector plays a crucial role in the Greek economy. Cooperatives are an integral part of the agricultural sector and the logistics cost impacts the pricing policy of the agricultural products, taking into consideration the value added of all trading partners along the supply chain. Many governments all over Europe pay special attention to this issue trying to make agriculture pro...

The increasing demand for an increasing array of special forest products is forcing forest landowners and managers to address special products within ongoing management and silvicultural activities. Strategies can vary from single species management in agricultural or near agricultural operations to complex forest management strategies which move special products across an ownership or landscap...

It has been shown that biomass refinery (biorefinery) with Zero Emissions perspective could convert agricultural wastes into valueadded chemicals and materials. Agricultural and plantations wastes would become as main resources for biorefinery without soil degradation and needs of additional land. Biorefinery non-farm production cycle is crucial for job generation and poverty elimination in rur...

BACKGROUND Animal wastes are of particular environmental concern due to greenhouse gases emissions, odor problem, and potential water contamination. Anaerobic digestion (AD) is an effective and widely used technology to treat them for bioenergy production. However, the sustainability of AD is compromised by two by-products of the nutrient-rich liquid digestate and the fiber-rich solid digestate...

This article is focused on historical agricultural landscapes in Slovakia, which have been preserved and have irreplaceable ecological, cultural and historical value. Historical structures of agricultural landscapes (HSAL) are a type of cultural landscape that contains, within a geographic area, both natural and man-made features that typify connected activities, and a cultural expression refle...