scholarly journals On the Mechanics of Economic Convergence

2006 ◽  
Vol 7 (3) ◽  
pp. 317-337 ◽  
Author(s):  
Thomas M. Steger

Abstract The speed at which an economy converges to its steady state is investigated by using a general non-scale R&D-based growth model. To accomplish this task, an analytical decomposition formula for the instantaneous rate of convergence is developed. By applying this decomposition to the model under study, the driving forces behind the convergence process are identified. Two convergence mechanisms are distinguished: the accumulation-decumulation mechanism and the resource-reallocation mechanism. The relative importance of the different convergence mechanisms is assessed using numerical techniques. Moreover, it is shown that the specific shock being considered might be crucial for the instantaneous rate of convergence.

2017 ◽  
Vol 8 (2) ◽  
pp. 167
Author(s):  
Tajerin Tajerin ◽  
Akhmad Fauzi ◽  
Bambang Juanda ◽  
Luky Adrianto

Ketimpangan ekonomi antar wilayah pulau utama di Indonesia merupakan sesuatu yang secara alamiah akan terjadi. Hal ini karena, sebagai negara  epulauan, Indonesia memiliki enam wilayah pulau utama dengan karakteristik yang berbeda, yang tentunya akan menyebabkan pola pembangunan dan tingkat kemampuan tumbuh yang berbeda pula. Penelitian ini bertujuan: (1) Menganalisis tendensi proses konvergensi ekonomi antar wilayah pulau utama, dan; (2) Menduga faktor penentu pertumbuhan ekonomi wilayah pulau utama dan konrtibusinya terhadap tendensi konvergensi. Penelitian dilakukan menggunakan unit analisis wilayah pulau utama dan data sekunder periode 1985-2010 yang dianalisis dengan pendekatan ekonometrika model data panel. Hasil penelitian mununjukkan bahwa tendensi proses konvergensi ekonomi wilayah pulau utama di Indonesia selama periode analisis telah terjadi namun berlangsung lambat dengan kecepatan konvergensi ekonomi sebesar 3,22-8,50% per tahun (secara kondisional). Berdasarkan model fixed-effect, peubah modal fisik dan modal manusia berpengaruh positif terhadap tingkat pertumbuhan PDRB per kapita kondisi mapan. Sementara peubah resultan dari pertumbuhan penduduk dan penyusutan modal berpengaruh negatif terhadap tingkat pertumbuhan PDRB per kapita kondisi mapan. Dengan mengontrol peubah-peubah penentu pertumbuhan ekonomi, mampu mendorong kecepatan tendensi proses konvergensi meningkat sebesar 1,56-4,75% per tahun dengan half-life time 10,34-31,76 tahun. Hal ini berarti bahwa untuk mempercepat konvergensi ekonomi antar wilayah utama Indonesia dibutuhkan peningkatan modal fisik dan modal manusia yang terdistribusi secara lebih merata, dan diikuti pengendalian pertumbuhan penduduk dan penyusutan modal. Mengingat bahwa wilayah pulau utama di Indonesia memiliki sumberdaya kelautan yang besar, maka kebijakan untuk mempercepat konvergensi tersebut perlu diimplementasikan dengan mempertimbangkan peran kelautan yang disinergikan dengan upaya meningkatkan interrelasi (konektivitas) sektoral dan spasial antar wilayah di Indonesia. Title: Tendency of Convergence Process and Determinant of Economic Growth of Main Island Regions in Indonesia, 1985-2010The economic disparity among the main island regions in Indonesia is a natural occurrence. Due to the fact that, as an archipelago, Indonesia is consisted of six main island regions, each with its own indigenous characteristic, thus generating different development patterns and different developing abilities. Therefore, a research has been done to: (1) Analyze the tendency of economic convergenceprocess among the main island regions; and (2) Estimate the determinant factors of economic growth within the main island regions, as well as their contributions toward the convergence tendency. The research was conducted with the main island regions as the analysis unit, and secondary data covering a 25 years period, spanning from 1985 to 2010. The data acquired were analyzed using a data panel  econometric model. The analysis resulted in a finding that there has been a convergence tendency among the main island regions in Indonesia during the period analyzed. The economic convergence rate found was considered low with an estimated rateper annum of 3,22%-8,5% (Conditionally). Based  on the fixed effect model, both physical and human capitals were the variables which positively affecting the growth of the steady state per capita Regional Gross Domestic Product. While population growth and capital depreciation were the variables which negatively affecting the growth of the steady state per capita Regional Gross Domestic Product. The simulation done using the model developed showed that by controling the previously mentioned economic growth determinant factors, it was possible to induce faster convergence process tendency per annum rate to 1,56%-4,75%, with reduced half-life time to 10,24-31,76 years. Therefore, a faster regional economic convergence would require more physical and human capital to be distributed evenly among the main island regions, while constraining population growth and capital depreciation. Considering that each main island region owns a relatively abundant marine resource, therefore the convergence rate inducing policy should be implemented by pushing the role of marine sectors, while strengthening the sectoral and spatial connectivity among regions in Indonesia.


2005 ◽  
Vol 169 (4) ◽  
pp. 569-576 ◽  
Author(s):  
Clare L. Bennett ◽  
Erwin van Rijn ◽  
Steffen Jung ◽  
Kayo Inaba ◽  
Ralph M. Steinman ◽  
...  

Langerhans cells (LC) form a unique subset of dendritic cells (DC) in the epidermis but so far their in vivo functions in skin immunity and tolerance could not be determined, in particular in relation to dermal DC (dDC). Here, we exploit a novel diphtheria toxin (DT) receptor (DTR)/DT-based system to achieve inducible ablation of LC without affecting the skin environment. Within 24 h after intra-peritoneal injection of DT into Langerin-DTR mice LC are completely depleted from the epidermis and only begin to return 4 wk later. LC deletion occurs by apoptosis in the absence of inflammation and, in particular, the dDC compartment is not affected. In LC-depleted mice contact hypersensitivity (CHS) responses are significantly decreased, although ear swelling still occurs indicating that dDC can mediate CHS when necessary. Our results establish Langerin-DTR mice as a unique tool to study LC function in the steady state and to explore their relative importance compared with dDC in orchestrating skin immunity and tolerance.


2018 ◽  
Vol 22 (3) ◽  
pp. 194-211 ◽  
Author(s):  
Yongqi Feng ◽  
Tianshu Zhang

Purpose The purpose of this paper is to provide a better understanding of the driving forces and structural changes of China as a market provider for Korea. This paper gives the answers for the following questions: How do China’s final demands trigger the growth of its imports from Korea? And what’s the impact of China’s final demands on the import in different industries? Design/methodology/approach Based on the Multi-Regional Input-Output model and World Input-Output Table database, this paper constructs the non-competitive imports input-output (IO) table of China to Korea. According to this table, we can calculate the induced imports coefficient and comprehensive induced import coefficients of China’s four final demands for imports from Korea in the 56 industries in China. Findings Among the four driving forces, the strongest one is changes in inventories and valuables. The impact of final consumption expenditure and fixed capital formation is much lower than that of changes in inventories and valuables, but they have a broader impact for the 56 industries. This paper finds out the China’s import induction of the final demands to Korea peaked in 2005 and 2010 and decreased greatly in 2014, so the position of China as market provider for Korea will no longer rise substantially, contrarily it will be in a steady state. Originality/value First, this paper constructs the non-competitive IO table to analyze the market provider issues between two countries and provides practical ways and methods for studies on the issues of imports and market provider. Second, this paper investigates the different roles of four final demands on driving force of China as market provider for Korea and the structural changes of China as a market provider for Korea among 56 industries from 2000 to 2014.


Molecules ◽  
2020 ◽  
Vol 25 (3) ◽  
pp. 699 ◽  
Author(s):  
Miloslav Pekař

Molar balances of continuous and batch reacting systems with a simple reaction are analyzed from the point of view of finding relationships between the thermodynamic driving force and the chemical reaction rate. Special attention is focused on the steady state, which has been the core subject of previous similar work. It is argued that such relationships should also contain, besides the thermodynamic driving force, a kinetic factor, and are of a specific form for a specific reacting system. More general analysis is provided by means of the non-equilibrium thermodynamics of linear fluid mixtures. Then, the driving force can be expressed either in the Gibbs energy (affinity) form or on the basis of chemical potentials. The relationships can be generally interpreted in terms of force, resistance and flux.


2016 ◽  
Vol 53 (7) ◽  
pp. 807-823 ◽  
Author(s):  
Hibai Lopez-Gonzalez ◽  
Mark D Griffiths

Betting on sports via online platforms has rapidly become a popular form of gambling in many countries. Despite the growing body of research investigating the psychosocial and individual psychological factors determining gambling behaviour, much less attention has been devoted to understanding the market characteristics of online sports betting and its intersection with products from adjacent industries. From an economic convergence perspective, the present paper explores the integration of online sports betting within the digital, sporting and gambling sectors, examining how data markets, eSports, virtual sports, social gaming, immersive reality tools, sports media, sport sponsorship, fantasy sports, in-venue and in-stadium betting, poker and trading are all converging around betting activity. Through this convergence process, it is argued that internet-based sports gambling is colonizing different forms of entertainment, and expanding marketing opportunities, as well as raising psychosocial concerns about the influence of such an integration process.


2003 ◽  
Vol 95 (1) ◽  
pp. 322-329 ◽  
Author(s):  
Harold J. Bell ◽  
James Duffin

Breathing increases abruptly at the start of passive exercise, stimulated by afferent feedback from the moving limbs, and declines toward a steady-state hyperpnea as exercise continues. This decline has been attributed to decreased arterial CO2 levels and adaptation in afferent feedback; however, the relative importance of these two mechanisms is unknown. To address this issue, we compared ventilatory responses to 5 min of passive leg extension exercise performed on 10 awake human subjects (6 men and 4 women) in isocapnic and poikilocapnic conditions. Endtidal Pco2 decreased significantly during poikilocapnic (Δ = -1.5 ± 0.5 Torr, P < 0.001), but not isocapnic, passive exercise. Despite this difference, the ventilatory responses to passive exercise were not different between the two conditions. Using the fast changes in ventilation at the start (5.46 ± 0.40 l/min, P < 0.001) and end (3.72 ± 0.33 l/min, P < 0.001) of passive exercise as measures of the drive to breathe from afferent feedback, we found a decline of 68%. We conclude that the decline in ventilation during passive exercise is due to an adaptation in the afferent feedback from the moving limbs, not a decline in CO2 levels.


2019 ◽  
Vol 5 (1) ◽  
Author(s):  
Peng Xie ◽  
Jiming Wu ◽  
Hongwei Du

Abstract How does the valuation change of an industry leader influence its competitors? Does it induce a competitive effect or a contagion effect? What are the driving forces of such influences? We attempted to answer these questions within digital currency markets. We found that both close and distant competitors against an industry leader experience high competitive effects, while moderate competitors experience high contagion effects. Next, we empirically demonstrated how this U-shaped pattern reduces to a linear relationship depending on the industry concentration. Lastly, we identified eight distinct information categories from a social media platform of the industry leader and compared the influence of the eight information categories on the industry leader’s competitors. Our analysis suggests that the relative importance of the competitive effect to the contagion effect in the industry depends on the category of the information.


1994 ◽  
Vol 31 (2) ◽  
pp. 549-553 ◽  
Author(s):  
Boris L. Granovsky ◽  
Liat Rozov

We provide the explicit expression for the mean coverage function of a generalized voter model on a regular lattice and establish a characterization of the class of the above processes. As a result, we derive the exact rate of convergence of the considered processes to the steady state. We also prove the existence of different processes with the same mean coverage function on a given lattice.


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