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     We are delighted to welcome you to the  
    Journal of ECONOMIC COMPUTATION AND ECONOMIC  
    CYBERNETICS STUDIES AND RESEARCH  
    2019 Archive Page. 
	
	LEONARDO BADEA, VALENTIN IONESCU, ADINA-ALEXANDRA GUZUN
	 What is the Causal Relationship between STOXX EUROPE 600 Sectors? But between Large Firms and Small Firms? 
	
	LIVIU STELIAN BEGU, IOANA TEODORA MESTER, RAMONA SIMUT, MARIANA SEHLEANU, DIANA PERTICAS
	 Economic and Environmental Implications of Energy Taxes: Evidence from Romania 
	
	FLORENTINA-MIHAELA APIPIE, VASILE GEORGESCU
	 Assessing and Comparing by Specific Metrics the Performance of 15 Multiobjective Optimization Metaheuristics when Solving the Portfolio Optimization Problem 
	
	VICTOR DRAGOTA, DRAGOS STEFAN OPREA, LAURA OBREJA BRASOVEANU
	 Market Efficiency, Predictions and Returns 
	
	SINGA WANG CHIU, CHUNG-LI CHOU, HONG-DAR LIN, MING-HON HWANG
	 Exploration of a Multi-Product EPQ-Based System with Overtime and Quality Reassurance 
	
	IRADA DZHALLADOVA, STANISLAV ŠKAPA, VERONIKA NOVOTNÁ, ALEXANDRA BABYNYUK
	 Design and Analysis of a Model for Detection of Information Attacks in Computer Networks 
	
	ELVIRA NICA, BOGDAN GEORGE TUDORICA, DOREL-MIHAIL DUSMANESCU, GHEORGHE POPESCU, ALINA MARIA BREAZ
	 Databases Security Issues - A Short Analysis on the Emergent Security Problems Generated By NoSQL Databases 
	
	AMIN ESHGHI, SEYED MEYSAM MOUSAVI, JURGITA ANTUCHEVICIENE, VAHID MOHAGHEGHI
	 Earned Value Analysis Approach by Extending New Key Performance Indicators in a New Framework under a Grey Environment 
	
	SHOUHENG TUO, HONG HE
	 DEaf-MOPS/D: An Improved Differential Evolution Algorithm for Solving Complex Multi-objective Portfolio Selection Problems Based on Decomposition 
	
	STEFAN CATALIN POPA, CEZAR-PETRE SIMION, SIMONA CATALINA STEFAN, CATALINA FLORENTINA ALBU
	 Strategy: A Big Challenge for a Small Business. Evidences from North-East Romanian SMEs 
	
	MIN-QI JIANG, JIA-PENG LIU, LU ZHANG
	 An Improved Stacking Framework for Predicting Stock Price Index Direction 
	
	FEI LI, YAN CHEN, LIYEZI ZHANG, LAVINIA DUDAS
	 How Do Cross-Border Mergers and Acquisitions Improve Innovation Quality in Emerging Market Multinational Enterprises? An Interaction Perspective Based on Network Balance and Digital Gaps 
	
	NG KOK-HAUR, KOH YOU-BENG, POOI AH-HIN
	 Modelling and Forecasting Count Data with a Model Based on Multivariate Power-Normal Distribution: A Comparative Study with an Application 
	
	VOLODYMYR SYSOIEV, YURI KUSHNERUK
	 Supply Optimization Model in the Hierarchical Geographically Distributed Organization 
	
	YUSUF EKREM AKBAS, CANAN SANCAR
	 The Effect of Interest Rate on Output Level and Inflation in Turkey: Evaluation of Monetarist and New Keynesian Perspective 
	
	XIHUA LIU, XUETAO ZHANG, XUEJING YANG
	 Fraud Risk Measurement of Basic Medical Insurance for Urban and Rural Residents in China 
	
	HAHN SHIK LEE, WOO SUK LEE
	 International Linkage among MENA Financial Markets 
	
	MOHSEN KHEZRI, REZA GHAZAL, SOMAYEH SHOKRAVI
	 Stock Returns and Inflation in US: A MS-FITGARCH Model 
	
	Volume 53                                                      
                 Number 3/2019 
      
      
      
      
      
      
      
      
      
      
      
      
      
      
         
      
      
      
      
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