436 research outputs found
THE NEED FOR MACROECONOMIC PLANNING IN THE REPUBLIC OF MACEDONIA – INSTITUTIONAL AND METHODOLOGICAL ASPECTS
The system of indicative macroeconomic planning requires preparation and application of an adequate institutional, analytical, methodological and modeling framework in the Republic of Macedonia. The institutional framework of the system of indicative macroeconomic planning is identified through: State Statistical Office of the Republic of Macedonia, the Agency for macroeconomic models, analyses and studies (non-existent at the moment) and the Ministry of Finance (Macroeconomic Department). The most adequate analytical framework for macroeconomic analysis and planning is the elaboration, preparation and implementation of an input-output table, a social accounting matrix (SAM) and a macroeconomic CGE human sustainable development model.macroeconomic indicative planning, institutional and methodological framework, Republic of Macedonia
AGRICULTURE SECTOR IN THE REPUBLIC OF MACEDONIA – CURRENT SITUATION AND DEVELOPMENT PERSPECTIVES
Macedonia needs a balance between the goals of economic progress, social development and environmental protection. The basic reasons for this lies in the decrease of the exporting competitiveness of the Macedonian agricultural sector. This negative tendency results in losing the export markets, and also in a strong pressure put by the foreign producers. What is known is that Macedonia has strong comparative advantages when it comes to food producing. Those comparative advantages have to be supported by enhancing the competitive advantages the main purpose of which would be enabling more dynamic export of high-quality agricultural products from Macedonia.agriculture, development, Macedonia
Health care system in the Republic of Macedonia – current situation and development perspectives
Health care in Macedonia is provided through an extensive net of health care organizations. After the independence, the need for central resource management led to the transformation of disjointed system of municipally-funded health services to a social insurance-funded model with central coordination and planning. The health sector management project supported by the World Bank addressed different reforms targeting health financing and management, primary and preventive health care and drugs policy and procurement. A lesson to be learned from the previous experience in the country is that increased competencies on national and local level have to go hand-in-hand with planning and setting standards, as well as coordination capacities.health care system, development, strategy, health care policy, planning
ERAWATCH country reports 2011: The Former Yugoslav Republic of Macedonia
The main objective of the ERAWATCH Annual Country Reports is to characterise and assess the performance of national research systems and related policies in a structured manner that is comparable across countries. EW Country Reports 2011 identify the structural challenges faced by national innovation systems. They further analyse and assess the ability of the policy mix in place to consistently and efficiently tackle these challenges. The annex of the reports gives an overview of the latest national policy efforts towards the enhancement of European Research Area and further assess their efficiency to achieve the targets.
These reports were originally produced in November - December 2011, focusing on policy developments over the previous twelve months. The reports were produced by the ERAWATCH Network under contract to JRC-IPTS. The analytical framework and the structure of the reports have been developed by the Institute for Prospective Technological Studies of the Joint Research Centre (JRC-IPTS) and Directorate General for Research and Innovation with contributions from ERAWATCH Network Asbl.JRC.J.2-Knowledge for Growt
ERAWATCH Country Reports 2013: Former Yugoslav Republic of Macedonia
The Analytical Country Reports analyse and assess in a structured manner the evolution of the national policy research and innovation in the perspective of the wider EU strategy and goals, with a particular focus on the performance of the national research and innovation (R&I) system, their broader policy mix and governance. The 2013 edition of the Country Reports highlight national policy and system developments occurring since late 2012 and assess, through dedicated sections:
-National progress in addressing Research and Innovation system challenges;
-National progress in addressing the 5 ERA priorities;
-The progress at Member State level towards achieving the Innovation Union;
-The status and relevant features of Regional and/or National Research and Innovation Strategies on Smart Specialisation (RIS3);
-As far relevant, country Specific Research and Innovation (R&I) Recommendations.
Detailed annexes in tabular form provide access to country information in a concise and synthetic manner.
The reports were originally produced in December 2013, focusing on policy developments occurring over the preceding twelve months.JRC.J.2-Knowledge for Growt
INSTITUTIONAL AND METHODLOGICAL ASPECTS OF THE MACROECONOMIC PLANNING IN THE REPUBLIC OF MACEDONIA
The system of indicative macroeconomic planning requires preparation and application of an adequate institutional, analytical, methodological and modelling framework in the Republic of Macedonia. The institutional framework of the system of indicative macroeconomic planning is identified through: State Statistical Office of the Republic of Macedonia, the Agency for macroeconomic models, analyses and studies (non-existent at the moment) and the Ministry of Finance (Macroeconomic Department). The most adequate analytical framework for macroeconomic analysis and planning is the elaboration, preparation and implementation of an input-output table, a social accounting matrix (SAM) and a macroeconomic CGE human sustainable development model
Composition-structure-activity relations in Cu-Sn and Cu-S based electrocatalysts for CO2 conversion
The development of our society relying on utilization of raw materials from Earth has left unprecedented marks on our planet’s environment. A key issue is the climate change phenomenon caused by the continuous increase in the atmospheric concentration of the greenhouse gas CO2 due to combustion of fossil fuels as main energy source. The mitigation of the CO2 emissions via its capture and conversion, increase in the utilization of renewable energy and recycling technologies, and eliminating the dependence from fossil fuels is a strategy for building sustainable society. A promising concept for tackling the CO2 emission via its conversion into valuable products (hydrocarbons and alcohols etc.) is the electrochemical reduction of CO2 (CO2ER), that has many advantages over the other conversion concepts. Cu is unique in terms of material that can intrinsically catalyze CO2 reduction into hydrocarbons and alcohols. However, there are many Cu catalyst/experimental conditions/engineering - related challenges and other issues of various nature that affect the product selectivity and therefore still hinder the large-scale application of the CO2ER. Regarding the catalyst and experimental conditions challenges, possible alternative for overcoming the selectivity issues is step- wise CO2ER i.e., two-electron electrochemical reduction of CO2 into CO and subsequent conversion of CO into hydrocarbons, alcohols and other valuable products. Furthermore, another two-electron product, that is formic acid (HCOOH) or formate (HCOO–) that find various industrial applications and are also promising alternative as fuel in fuel cells, together with CO can be produced with high selectivity on various cheap and abundant electrocatalysts. Namely, the Cu rich Cu-Sn materials appear to be promising catalysts for CO2ER into CO, while Sn rich Cu-Sn and Cu-S for production of HCOO–, and therefore they are worth and inspiring to be more thoroughly studied in terms of their composition- structure relations with the catalytic activity for electrochemical conversion of CO2.
Hence, the first main goal of this thesis is dedicated to study of the composition-structure-CO2ER activity relations in the Cu-Sn and Cu-S based electrocatalyst materials. On the other hand, the second main goal encompasses providing simple, cheap and fast synthesis methods for both Cu-Sn and Cu-S based materials, and moreover, including a successful proof-of-concept for recycling/repurposing waste for deriving CO selective Cu-Sn electrocatalyst, which are prerequisites toward possible application of these materials for large-scale conversion of CO2 and building a sustainable society based on recycling in order to mitigate and finally cease the extraction of natural resources.
The thesis is divided into three studies, from which the first study represents determination of the composition and speciation of Cu and Sn in Cu-Sn electrocatalysts under CO2 electrolysis in order to reveal the relationship between these parameters and the CO2ER selectivity alteration between CO and HCOO– at various applied potentials. For the purpose of this study, SnO2 functionalized CuO nanowires with varying thickness of surface SnO2 layers (low and high Sn), were synthesized. The CO2ER product quantification was performed using chromatography, while the material characterization methods comprised of mainly spectroscopy-based techniques including ex-situ soft x-ray XAS, in-situ hard x-ray XAS and quasi in-situ XPS, supported by microscopy/electron diffraction (EF-TEM, HR-TEM and SAED) and computational modeling (DFT). The results show that thin layer of SnO2 (low Sn) functionalized CuO nanowires electrocatalysts that are selective for CO2ER into CO, reaching maximal FE of ~80% at
–0.7 V, undergo surface transformation generating Cu0 and SnOx (Snd+) species under all examined potentials. The presence of Snd+ is supporting the Sn to Cu charge redistribution mechanism and therefore promoting desorption of the Cu bound *CO intermediate, leading to significantly higher CO evolution, compared to the activity of pristine Cu. On the other hand, the results show that the increase in the surface Sn content is beneficial for CO2ER into HCOO–, achieving the highest FE (80%) at –0.9 V for the catalyst with highest Sn content. Altering the potential toward more negative values is leading to increase in the surface fraction of metallic Sn specie that readily bind the *OCHO* intermediate following the HCOO– pathway, accompanied with significant suppression of the competitive hydrogen evolution reaction (HER) due to weak binding of the *H intermediate. Even though these Cu-Sn materials can reach very high selectivity for both CO and HCOO– in dependence of the surface Sn content, sophisticated, expensive and time-consuming approach, that includes atomic layer deposition (ALD) of SnO2, was used for their synthesis.
An important requirement for future practical application of the CO2ER catalysts is definitely simple, cheap and fast synthesis. Therefore, in the scope of the second study, facile one-step electrochemical method was developed for deriving Cu-Sn foam with low Sn content from waste bronze. The bronze derived Cu-Sn foam reached 80% FE for CO at –0.8 V, competing with the best catalysts for this purpose, which makes it promising for future large-scale application. This study is showing that recycling/repurposing waste material for CO2ER catalyst synthesis is achievable, which is an important step towards sustainable supply of materials for this purpose.
The third study is based on investigation of the composition-structure relations in Cu-S catalysts selective for CO2ER into HCOO–, and moreover presenting a facile method for synthesis of these materials based on direct reaction between elemental Cu and S dissolved in toluene, hence avoiding usage of expensive and extremely toxic precursors. The most important finding in this study, based on examination of the Cu-S catalysts with quasi in-situ XPS, reveals that under CO2 electrolysis the materials do not undergo complete reduction and Cu+ surface species persist at all examined potentials (–0.5 to –0.9 V), compared to pristine Cu which is completely reduced to metallic under identical conditions. The presence of residual surface sulfur species is most probably stabilizing the Cu+ with oxophilic nature on which the *OCHO* intermediate favorably binds and further converts into HCOO–. However, the HCOO– selectivity that can reach up to 70-75% is dependent on activation of the electrocatalyst that is related to the Cu:S surface composition and various electrode-electrolyte interface effects. Namely, besides the S2–, presence of unexpected SO42– specie is found on the surface of the electrocatalysts that are subjected to applied potential of –0.9 V, most probably due to local pH increase effects. These local effects are not fully understood from this study which is inspiring for further research that involve probing the electrode-electrolyte interface with other surface sensitive methods under in- situ conditions such as Raman and infrared spectroscopy.
Finally, the future challenges include an adaptation of the facile synthesis methods developed in this work to prepare gas-diffusion electrodes loaded with Cu-Sn and Cu-S catalysts. Examining their CO2ER activity in gas-diffusion electrolyzers is important to achieve high current densities and, hence, industrial relevant conversion rates that are required for future large-scale applications
Determinants of transparency and disclosure – evidence from post-transition economies
In this paper, we examine the patterns of behaviour of companies from
former socialist countries related to the application of good corporate
governance practices. We try to assess the level of transparency and
to determine if there are any factors that systematically influence
corporate behaviour in this regard. Using a sample of 145 companies
from Croatia, Macedonia, Slovenia and Serbia, we apply Standard
& Poor’s (S&P) methodology for assessment of transparency and
disclosure levels and find that the companies in these countries
generally lag in terms of transparency behind their peers worldwide
as measured one decade ago. Additionally, using the same sample,
we apply a regression analysis and conclude that the level of
transparency is positively related to the size of the company and the
need for external financing, but negatively to the concentration of
ownership and we also observe important country effects. We do not
find a statistically significant relationship between transparency and
profitability and relate this finding with the prevailing attitude of the
companies towards the stock market. Having in mind the different
scores by country and by area of disclosure, we believe that there is
still scope for improvement using proper advising and public policy
measures
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