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Simultaneous Pell Equations

open access: yesJournal of Number Theory, 1996
It is known that for each pair of non-zero integers, the number \(N(a,b)\) of triples of positive integers \(x,y,z\) satisfying the two Pell equations \[ x^2-az^2=1,\qquad y^2-bz^2=1\tag{1} \] is finite. In fact, this follows from Siegel's theorem that there are only finitely many integral points on a curve of genus 1.
Rickert, John, Masser, D.W.
core   +6 more sources

The Relationship among Stock Market, Bank Deposits and Foreign Exchange Speculation: An Emphasis on the Role of Interest Rate in Iran’s Economy [PDF]

open access: yesفصلنامه پژوهش‌های اقتصادی ایران, 2021
The unstable state of macroeconomic indicators such as gross domestic product (GDP), investment, and inflation rate, as well as the disproportionate level of high volume of cash held by private individuals versus the low volume of liquidity in ...
Abdorasoul Sadeghi   +3 more
doaj   +1 more source

Empirical and Theoretical Evidence of Moral Hazard in the Iranian Banking System [PDF]

open access: yesفصلنامه پژوهش‌های اقتصادی ایران, 2021
Since moral hazard in behaviors of banking system may jeopardize efficiency of debt mechanisms to fund rising, it is important to examine the empirical and theoretical evidences of moral hazard in the Iranian banking system.
Mahshid Shahchera
doaj   +1 more source

CRIME AND SPORT PARTICIPATION: AN ECONOMETRIC MODEL WITH SIMULTANEOUS EQUATIONS APPROACH [PDF]

open access: yesJournal of Social Sciences, 2022
Sport in all societies’ leads to a return on social capital. Many politicians use sportsbased programs to reduce crime in society because sport plays an important role in the social development of societies.
KHANMORADI, Saeed   +3 more
doaj   +1 more source

Investigating the Relationship between Economic Growth, Energy Consumption and Human Development in Selected MENA Countries [PDF]

open access: yesPizhūhishnāmah-i Iqtiṣād-i Inirzhī-i Īrān, 2019
Human development is one of the main aspects of development in each country in which different factors could influence this indicator. In this research, interrelationship between gross domestic product (GDP), energy consumption per capita and HDI and ...
vahid Mohamadi   +2 more
doaj   +1 more source

Investigation the Direct and Indirect Impact of Energy Consumption in Selective Sectors on Ppoverty and Inequality in Iran [PDF]

open access: yesPizhūhishnāmah-i Iqtiṣād-i Inirzhī-i Īrān, 2016
According to the importance of energy in economy, especially in developing countries, investigation the impact of energy consumption on poverty and inequality in Iran is necessary.
Majid Aghaei, Mahdieh rezagholizadeh
doaj   +1 more source

Investigation of Interactions between Managerial Ownership and Corporate Performance Using the Simultaneous Equations System (Evidence from Tehran Stock Exchange [PDF]

open access: yesمطالعات تجربی حسابداری مالی, 2017
The interaction of managerial ownership and corporate performance in accordance with their endogenous nature is studied in this research. In other words, interrelations of mentioned variables along with some relevant variables of using three stage ...
Shokrolah Khajavi, Ahmad Shokrollahi
doaj   +1 more source

An Empirical Study of Business Student Engagement with Active Teaching Strategies: A Comparison of First Year and Senior Students

open access: yesAmerican Business Review, 2021
The quantitative evaluation of student engagement has been difficult to achieve. This study uses Kahu’s (2013) conceptual framework to investigate the effectiveness of active teaching strategies and how they influence Business students’ engagement in a ...
Amir Arjomandi   +3 more
doaj   +1 more source

On simultaneous diophantine equations [PDF]

open access: yesActa Arithmetica, 2003
The authors investigate the number of solutions of the simultaneous Diophantine equations \[ x^2- (M^2+4)y^2= -4, \quad y^2-dz^2=1, \tag{1} \] where \(M\) is assumed to be an odd positive integer and where \(d\) is a squarefree integer. They show that for squarefree \(d\) with at most four distinct prime factors, system (1) can have at most one ...
Katayama, Shin-ichi, Levesque, Claude
openaire   +1 more source

Skill-Biased Technological Change and Gender Inequality across OECD Countries—A Simultaneous Approach

open access: yesEconomies, 2023
Of the various approaches that, over the last few decades, have sought explanations for the constant increase in the wage gap between more and less skilled workers, the Skill-Biased Technological Change (SBTC) approach has been the most used and the one ...
Manuel Carlos Nogueira, Mara Madaleno
doaj   +1 more source

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