improving the resource use efficiency in agro- ecosystems is an importantfactor for reducing environmental pollution. to evaluate phosphorus (p) efficiency andbalance indicators, research was conducted in wheat and saffron production systems inthe qaenat region (south khorasan province, iran) during 2011 and 2012, based on themethod of the organization for economic co-operation and development ...

Spain has made major investments in tertiaryeducation...  Between 1995 and 2003, Spain has made major investments in tertiary education. Expenditure per student has increased by 43% which is the third highest increase in the OECD countries (OECD average of 6%). As the number of students in tertiary education has also increased by 11% during this period, overall expenditure has increased by 58%...

this study attempts to investigate the relationship between pollution and economic growth for two groups of countries according to environmental kuznets curve hypothesis for a sample of 24 developing countries and 26 oecd countries over the period 1980 - 2005. then, we examine this hypothesis using modern econometrics techniques including panel co-integration and panel unit-root. the panel data...

The OECD is a unique forum where the governments of 30 democracies work together to address the economic, social and environmental challenges of globalisation. The OECD is also at the forefront of efforts to understand and to help governments respond to new developments and concerns, such as corporate governance, the information economy and the challenges of an ageing population. The Organisati...

The aim of this paper is to empirically highlight some important worldwide differences in the impact of privatization of the fixed-line telecommunications operator on network expansion, tariffs, and efficiency during the 1985-2007 period for a large panel of countries. The countries considered are first regrouped into OECD and non-OECD countries. Then, the non-OECD countries are classified into...