The problem of measuring the quantity of output in the input–output model by W. Leontief in modeling the trends in economic reproduction of nations and regions

2021 ◽  
Vol 19 (8) ◽  
pp. 1568-1592
Author(s):  
Nikolai I. KURYSHEV

Subject. This article deals with the problem of constructing a Leontief's input–output matrix. Objectives. The article aims to determine the rules for constructing a Leontief's input–output matrix on the basis of data on production time and quantity of product output. Methods. For the study, I used the methods of logical and mathematical analyses. Results. The article formulates the rules for constructing a Leontief's input–output matrix, taking into account differences in the time of production, quantity of output, as well as the conditions for the reproduction of the resources expended. It summarizes these rules for the J. von Neumann model. Conclusions. The proposed approach to the analysis of the material mechanism of economic reproduction defines the relationship between the quantitative and cost characteristics of the production and consumption of products and resources. This relationship opens up new opportunities for the application of input–output models to create simple and accurate algorithms for identifying and predicting the macroeconomic trends.

2011 ◽  
Vol 474-476 ◽  
pp. 11-14
Author(s):  
Fang Qin Xu ◽  
Lei Jiang

A stochastic Von Neumann model to describe companies’ input-output process on mobile services is provided. Through the theories from input-output economics, an extended singular stochastic Von Neumann model on mobile service is researched. The problem of stability of this kind of stochastic Von Neumann model on mobile services is researched. A new mathematic method is applied to study the singular systems without converting them into general systems. The parameter uncertainties are considered. A new stability criterion for the extended stochastic Von Neumann model is given to ensure the stability of input-output model.


2013 ◽  
Vol 634-638 ◽  
pp. 4026-4029
Author(s):  
Xiu Mei Wu ◽  
Tao Zi Si ◽  
Lei Jiang

The problem of computer control algorithm for the singular Von Neumann input-output model is researched. A kind of new mathematic method is applied to study the singular systems without converting them into general systems. A kind of stability condition under which the singular input-output model is admissible is proved with the form of linear matrix inequality. Based on this, a new state feedback stability criterion is established. Then the formula of a desired state feedback controller is derived.


Author(s):  
Gary Totten

This chapter discusses how consumer culture affects the depiction and meaning of the natural world in the work of American realist writers. These writers illuminate the relationship between natural environments and the social expectations of consumer culture and reveal how such expectations transform natural space into what Henri Lefebvre terms “social space” implicated in the processes and power dynamics of production and consumption. The representation of nature as social space in realist works demonstrates the range of consequences such space holds for characters. Such space can both empower and oppress individuals, and rejecting or embracing it can deepen moral resolve, prompt a crisis of self, or result in one’s death. Characters’ attempts to escape social space and consumer culture also provide readers with new strategies for coping with their effects.


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Carmen Blanco-Fernandez ◽  
Alba Ardura ◽  
Paula Masiá ◽  
Noemi Rodriguez ◽  
Laura Voces ◽  
...  

AbstractDespite high effort for food traceability to ensure safe and sustainable consumption, mislabeling persists on seafood markets. Determining what drives deliberate fraud is necessary to improve food authenticity and sustainability. In this study, the relationship between consumer’s appreciation and fraudulent mislabeling was assessed through a combination of a survey on consumer’s preferences (N = 1608) and molecular tools applied to fish samples commercialized by European companies. We analyzed 401 samples of fish highly consumed in Europe and worldwide (i.e. tuna, hake, anchovy, and blue whiting) through PCR-amplification and sequencing of a suite of DNA markers. Results revealed low mislabeling rate (1.9%), with a higher mislabeling risk in non-recognizable products and significant mediation of fish price between consumer´s appreciation and mislabeling risk of a species. Furthermore, the use of endangered species (e.g. Thunnus thynnus), tuna juveniles for anchovy, and still not regulated Merluccius polli hake as substitutes, points towards illegal, unreported and/or unregulated fishing from African waters. These findings reveal a worrying intentional fraud that hampers the goal of sustainable seafood production and consumption, and suggest to prioritize control efforts on highly appreciated species.


2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Alejandro Germán Frank ◽  
Guilherme Brittes Benitez ◽  
Mateus Ferreira Lima ◽  
João Augusto Bonzanini Bernardi

PurposeOpen innovation breadth (OIB) considers the diversity of external collaboration partners for innovation. The authors investigate the moderating effect of OIB on the relationship between industrial innovation activities (innovation inputs) and industrial innovation results (innovation outputs).Design/methodology/approachThis study is based on secondary data from the Brazilian innovation survey, representing more than 30,000 innovative companies across 55 industrial sectors.FindingsThis study’s results show that OIB has different moderating effects regarding the several innovation input–output relationships. While OIB benefits some relationships, others are hampered by the diversity of collaboration partners.Originality/valueFew studies have addressed OIB at the macro level. Using the perspective of transaction cost economics (TCE), the authors discuss the contributions and limitations of OIB at the industry level.


Antiquity ◽  
2021 ◽  
pp. 1-16
Author(s):  
Mila Andonova ◽  
Vassil Nikolov

Evidence for both basket weaving and salt production is often elusive in the prehistoric archaeological record. An assemblage of Middle–Late Chalcolithic pottery from Provadia-Solnitsata in Bulgaria provides insight into these two different technologies and the relationship between them. The authors analyse sherds from vessels used in large-scale salt production, the bases of which bear the impression of woven mats. This analysis reveals the possible raw materials used in mat weaving at Provadia-Solnitsata and allows interpretation of the role of these mats in salt production at the site. The results illustrate how it is possible to see the ‘invisible’ material culture of prehistoric south-eastern Europe and its importance for production and consumption.


Author(s):  
Olena Bobrovska

The specific character of reproducing and maintaining the quality and productivity of technical resources is considered from the point of view of their economic essence and economic behavior in the production process. The views of domestic and foreign scientists are analyzed regarding the subject-functional and monetary definition of the enterprises’ capital, а part of which is the cost of technical resources. Understanding the properties of technical resources as a part of the enterprise total capital allowed identifying the basic statements. The relationship between the reproduction of technical resources and their total value in the process of functioning, namely the turnover and transition of their monetary equivalent to the material equivalent and vice versa has been shown. The steps of movement of the technical resources monetary equivalent are presented and considered in three stages: formation of the stage, at which the enterprise money capital is transformed into technical resources; the stage of technical resources production use and that of resources conversion into monetary form in the process of which the relationship between the state of technical resources capabilities and their cost characteristics changes. The character of economic transformations in the process of movement is described; the method of creating and adding cash flow formed by technical resource, to the money capital of the enterprise is considered. It has been proposed to use a linear rate depreciation accounting, from the beginning of the technical resources acquisition and throughout useful life using of the capital discount rate, in order to prevent partial loss of value of the initial capital invested in technical resources. It has been shown that the use of technical resources is expedient until the value of the monetary product is equal to their discounted price. The research pursued showed that for timely innovative reproduction of technical resources as part of the enterprise capital cost, these resources must perform the main function – that of forming additional value (additional profit).


2011 ◽  
Vol 50 (4II) ◽  
pp. 437-458 ◽  
Author(s):  
Sarwat Razzaqi ◽  
Faiz Bilquees ◽  
Saadia . Sherbaz

Energy sector has a vital influence on an economy, on both demand and supply sides. Therefore, energy production and consumption bear great importance for the developing world. The oil embargo of 1970‘s and its impact on major macroeconomic variables throughout the world attracted many economists to examine the relationship between energy and economic prosperity. The researchers have been unable to establish a definitive direction of causality between the two variables. The purpose of this study is to empirically investigate the dynamic relationship between energy use and economic growth in the D8 countries. The evidence gathered through application of VAR Granger Causality, Johansen Cointegration and VECM proves existence of short-run and long-run correlation between energy use and economic development in all countries. The results supported either uni-directional or bi-directional causality in the D8 countries except for Indonesia in short-run where non-causality was established between the two variables. JEL classifications: C22; Q43. Keywords: Energy Use, Economic Growth, D8, VAR Granger Causality, Cointegration, VECM


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