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Analysis of Local Tax Performance Through Tax Capacity and Tax Effort in Indonesia 2014-2018
RAFSANJANI, Ali Hadi,AGUSTINA, Neli Korea Distribution Science Association 2022 Asian journal of business environment Vol.12 No.2
Purpose: This study aims to analyze the performance of local taxes in Indonesia through the estimation of tax capacity and tax effort, as well as classifying provinces based on the estimated value of tax capacity and tax effort. Research design, data and methodology: this study uses panel data of 34 provinces in Indonesia for the period of 2014-2018. The analytical method used in the tax capacity model is panel data regression to explain the factors that influence tax performance. Tax effort is estimated by the ratio of tax to tax capacity. Results: The results of the analysis show that gini ratio and regional expenditures have a significant positive effect on the tax ratio, while the share of GRDP in the manufacturing sector and HDI has a significant negative effect on the tax ratio. Based on the results, there are 19 provinces that have low tax capacity and 16 provinces that have low tax effort. Conclusions: The development of local tax performance tends to fluctuate with an average of 1.24 percent per year. Gini ratio and regional expenditure have a significant positive effect on the tax ratio, while the share of GRDP in the manufacturing sector and HDI have a significant negative effect on the tax ratio.
Rafsanjani, Hamed Nabizadeh,Ahn, Changbum R.,Chen, Jiayu Elsevier 2018 Energy and buildings Vol.172 No.-
<P><B>Abstract</B></P> <P>Occupants’ energy-consuming behaviors have a significant influence on overall energy consumption in commercial buildings. Accordingly, understanding and intervening in these behaviors offers a significant opportunity for energy savings in commercial buildings. Current approaches to behavior modification rely on available occupant-specific energy consumption data, but capturing such data is generally expensive. One possible solution to this challenge is to link energy consumption to individual occupants’ energy-use behaviors in commercial buildings. In this context, this study proposes a non-intrusive occupant load monitoring (NIOLM) approach that couples occupancy-sensing data—captured from existing Wi-Fi infrastructures—with power changes in aggregate building-wide energy data to thereby disaggregate building-wide data down to the individual. This paper describes two case studies that investigate the feasibility of using the NIOLM approach to identify occupant-specific energy consumption information. Tracking eleven occupants’ energy-use behaviors using NIOLM over a four-month period resulted in an average F-measure of 0.778 and Accuracy of 0.955. The case studies thereby demonstrated that NIOLM successfully tracks individual occupants’ energy-consuming behaviors at minimal cost by utilizing existing high-resolution metering devices and Wi-Fi network infrastructures in commercial buildings.</P>
Analysis of Local Tax Performance Through Tax Capacity and Tax Effort in Indonesia 2014-2018
Ali Hadi RAFSANJANI,Neli AGUSTINA 한국유통과학회 2022 Asian Journal of Business Environment (AJBE) Vol.12 No.2
Purpose: This study aims to analyze the performance of local taxes in Indonesia through the estimation of tax capacity and tax effort, as well as classifying provinces based on the estimated value of tax capacity and tax effort. Research design, data and methodology: this study uses panel data of 34 provinces in Indonesia for the period of 2014-2018. The analytical method used in the tax capacity model is panel data regression to explain the factors that influence tax performance. Tax effort is estimated by the ratio of tax to tax capacity. Results: The results of the analysis show that gini ratio and regional expenditures have a significant positive effect on the tax ratio, while the share of GRDP in the manufacturing sector and HDI has a significant negative effect on the tax ratio. Based on the results, there are 19 provinces that have low tax capacity and 16 provinces that have low tax effort. Conclusions: The development of local tax performance tends to fluctuate with an average of 1.24 percent per year. Gini ratio and regional expenditure have a significant positive effect on the tax ratio, while the share of GRDP in the manufacturing sector and HDI have a significant negative effect on the tax ratio.
A SURVEY ON INTRUSION DETECTION SYSTEMS IN COMPUTER NETWORKS
Zarringhalami, Zohreh,Rafsanjani, Marjan Kuchaki The Korean Society for Computational and Applied M 2012 Journal of applied mathematics & informatics Vol.30 No.5
In recent years, using computer networks (wired and wireless networks) has been widespread in many applications. As computer networks become increasingly complex, the accompanied potential threats also grow to be more sophisticated and as such security has become one of the major concerns in them. Prevention methods alone are not sufficient to make them secure; therefore, detection should be added as another defense before an attacker can breach the system. Intrusion Detection Systems (IDSs) have become a key component in ensuring systems and networks security. An IDS monitors network activities in order to detect malicious actions performed by intruders and then initiate the appropriate countermeasures. In this paper, we present a survey and taxonomy of intrusion detection systems and then evaluate and compare them.
Maryam Molashahi,Hassan Hashemipour Rafsanjani 한국화학공학회 2012 Korean Journal of Chemical Engineering Vol.29 No.5
The adsorption of methane on two activated carbons with different physical properties was measured. Adsorption isotherms were obtained by static volumetric method at different temperatures and pressures. The experimental results sow the best gas storage capacity was 113.5 V/V at temperature 280 K and pressure 8.5MPa on an activated carbon with surface area 1,060 m2/gr. An artificial neural network (ANN) based on genetic algorithm (GA) was used to predict amount of adsorption. The experimental data including input pressure, temperature and surface area of adsorbents as input parameters were used to create a GA-ANN simulation. The simulation results were compared with the experimental data and a good agreement was observed. The simulation was applied to calculate isosteric heat of adsorption by using the Clausius-Clapeyron equation. Comparison of the calculated adsorption heat showed different surface heterogeneity of the adsorbents.
A SURVEY ON INTRUSION DETECTION SYSTEMS IN COMPUTER NETWORKS
Zohreh Zarringhalami,Marjan Kuchaki Rafsanjani 한국전산응용수학회 2012 Journal of applied mathematics & informatics Vol.30 No.5
In recent years, using computer networks (wired and wireless networks) has been widespread in many applications. As computer networks become increasingly complex, the accompanied potential threats also grow to be more sophisticated and as such security has become one of the major concerns in them. Prevention methods alone are not sufficient to make them secure; therefore, detection should be added as another defense before an attacker can breach the system. Intrusion Detection Systems (IDSs) have become a key component in ensuring systems and networks security. An IDS monitors network activities in order to detect malicious actions performed by intruders and then initiate the appropriate countermeasures. In this paper, we present a survey and taxonomy of intrusion detection systems and then evaluate and compare them.
Adsorption ability of oxidized multiwalled carbon nanotubes towards aqueous Ce(III) and Sm(III)
Fattaneh Naderi Behdani,Alireza Talebizadeh Rafsanjani,Meisam Torab-Mostaedi,Seyed Mohammad Amin Koochaki Mohammadpour 한국화학공학회 2013 Korean Journal of Chemical Engineering Vol.30 No.2
The aim of the present work was to investigate the adsorption of Ce(III) and Sm(III) onto multiwalled carbon nanotubes (MWCNTs) oxidized with concentrate nitric acid. The effects of solution pH, adsorbent dosage, and contact time were studied by batch technique. Langmuir, Freundlich and D-R isotherms were used to describe the adsorption behavior of Ce(III) and Sm(III) by oxidized MWCNTs, and the experimental results fitted Freundlich model well. The maximum uptake capacities (qm) calculated by applying the Langmuir equation for samarium and cerium ions were found to be 89.28 and 92.59 (mg/g), respectively. A comparison of the kinetic models and the overall experimental data was best fitted by the pseudo second-order kinetic model. The calculated thermodynamic parameters (ΔGo, ΔHo, and ΔSo) showed that the adsorption for Ce(III) and Sm(III) is feasible, spontaneous and exothermic at 30-60 oC. Moreover, more than 70% of Ce(III) and Sm(III) adsorbed onto Oxidized MWCNTs could be desorbed with HNO3.
Abbas Ghareghashi,Sattar Ghader,Hassan Hashemipour Rafsanjani 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.6
In this paper, theoretical performance of Fischer Tropsch (FT) synthesis is analyzed where its feed comes from an oxidative coupling of methane (OCM) reactor. In this model based analysis, two consecutive reactors are intended that first reactor is OCM and second reactor is FT and FT reactor performance is compared in two conditions of fixed bed and membrane reactor (MR). The parameters concerned, were CH4/O2 ratio, contact time, temperature, and amount of N2 in OCM feed. High CH4/O2 ratio gave low yield of C2+ in OCM due to insufficient oxygen, but favored FT reaction due to more yield of C5+ and other products. Therefore, it was concluded that production and yield of C5+ could be more by use of these configurations.
Neuroblastoma in Iran: An Experience of 32 Years at a Referral Childrens Hospital
Mehdiabadi, Gholamreza Bahoush,Arab, Elaheh,Rafsanjani, Khadijeh Arjmandi,Ansari, Shahla,Moinzadeh, Amir Majid Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.5
Background: This survey aim was to evaluate the epidemiology and outcomes of neuroblastoma patients in one the most important children referral hospitals in Iran as a model from developing countries. Materials and Methods: This retrospective, non-randomized analytic study was conducted on 219 newly diagnosed neuroblastoma cases. Results: The age of patients ranged from 1-156 months with the average of $40.5{\pm}2.44$, with a male/female ratio of 1.9/1. Of the total, 172 (78.5%) were children and 47 (21.5%) were infants The adrenals were the most common primary site (60%). Stage 4 at diagnosis accounted for about 54% of all enrolled patients. Infants had significantly better cumulative survival ($85{\pm}8%$) than children ($33{\pm}7%$) during the follow up period and the survival rate improved from $33{\pm}7%$ in 1974-1994 to $58{\pm}9%$ in 1995-2005. Conclusions: This study indicates that our patient population with neuroblastomas tends to have more advanced disease, perhaps with poor biologic markers, but our analysis shows that the outcomes have improved over 32 years although the overall survival of Iranian neuroblastoma patients is still lower than developed countries. Late diagnosis, inability to determine risk group during the years of study and using single protocol for all enrolled patients can be the reasons of lower survival rate.