Twitter is one of the social media platforms used by people in Indonesia. often its users to express opinions regarding a product, institution or event. From keyword fuel, fuel subsidy that currently trending topic because changes subsidies affect prices other staples, find out value sentiment public opinion, analysis methods support vector machine and lexicon based. 
 Lexicon labeling met...

In Nigeria, there is over-reliance on oil proceeds at the expense of revenue accrued to agriculture, which adversely affects standard living. The study examines effect commodity prices agricultural output in Nigeria. empirical model, depends maize, wheat, soya beans, and prices. Data covering 1991 2017 from Central Bank Nigeria Statistical Bulletin Food Agricultural Organisation was analysed us...

This article presents an integrated ecologic and economic model to study landscape and land use change, using the Spatial Analysis Modelling Tool (SAMT). The study involves integrating these models to analyse landscape and land use changes in Quillow region of North East Germany. Different price and premium scenarios were implemented to indicate the likely effect of policy change. Results of th...

Fossil fuels in the transport and mobility sector can be replaced with several renewable fuels, such as renewable electricity, hydrogen and biomass-to-liquid. When these alternative fuels are used, aspects such as safeguarding supply, economic efficiency, and environmental protection must be taken into account to ensure sustainable change and to create a sustainable society. We introduce a scen...

While energy prices have increased substantially recently, we also observe that renovation twofold wihtin last decade. This could seriously affect the motivation to invest in building renovations because of negative yield and turn jeopardise carbon reduction plans. Therefore, attempt show some evidence cost dynamics based on sample 112 apartment buildings which received state support for deep d...

the study examines the effects of awareness of fertilizer subsidy on the yield of crops among rural farmers in ghana. random sampling was used to select six communities and 10 households per community. they include bawku, navrongo, tolon kumbungu and walewale from the northern part and ejura and atebubu in the southern part of ghana. primary data were collected from the sampled household by adm...

Application of carbon trading on the consumption-side to subsidize NEVs (called “carbon subsidy (CTS)”) is expected become successor policy for phasing-out purchase subsidy, but there still a gap between practice and theory in how apply. This study applies CTS bus industry addresses interaction problem decision operators policy-implementation government, improves evolutionary game by considerin...

This paper analyzes the responses of profit maximizing groundwater users to modifications (elimination, reduction, decoupling) of the subsidy to electricity frequently used for water pumping. It proposes a theoretical model, and numerically derives general results for a simplified case with homogeneous users. The model is applied to aquifers in Leon, Guanajuato, Mexico and in Kern County, Calif...

There is a global effort to integrate renewable energy sources (RES) into the balance, setting out develop more sustainable future. The dependence of RES on natural phenomena and their low reliability can be mitigated by hybrid systems (HRES). In this paper, an evaluation under-study HRES in Leros, Greece, carried order examine economic viability project its contribution sustainability. Two sce...