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Έρευνα

International Environmental Agreements

11/05/2018
INTERNATIONA ENVIRONMENTAL AGREEMENTS

Το Τμήμα Οικονομικών Επιστημών του Πανεπιστήμιου Μακεδονίας φιλοξενεί τον τελευταίο χρόνο την κ. Ευφροσύνη Διαμαντούδη, καθηγήτρια του Πανεπιστήμιου Concordia, Montreal, Canada στα πλαίσια του ερευνητικού προγράμματος Διεθνείς Περιβαλλοντικές Συνθήκες (International Environmental Agreements) το οποίο χρηματοδοτείται από την Ευρωπαϊκή Επιτροπή στα πλαίσια του Horizon 2020, και πιο συγκεκριμένα από το MarieSklodowska-Curie Actions (IF, GA:706620). Στα πλαίσια του προγράμματος αυτού, διοργανώνεται Συνέδριο για την παρουσίαση και συζήτηση των αποτελεσμάτων, την Παρασκευή 18 και το Σάββατο 19 Μαΐου 2018, στην Αίθουσα Συνεδρίων του Πανεπιστήμιου Μακεδονίας.

Την Παρασκευή 18 Μαΐου θα παρουσιαστούν στην αγγλική τα αποτελέσματα του ερευνητικού προγράμματος από τους συνεργάτες του προγράμματος, καθηγητές Ευφροσύνη Διαμαντούδη και Ευτύχιο Σαρτζετάκη. Επίσης έχουν κληθεί να συμμετάσχουν με παρουσιάσεις δικών τους εργασιών οι παρακάτω, διεθνώς αναγνωρισμένοι, οικονομολόγοι του περιβάλλοντος:

  • Rabah Amir, Professor, Department of Economics, Henry B. Tippie College of Business, The University of Iowa, USA
  • Aart J. de Zeeuw, Professor, Department of Economics, Tilburg School of Economics and Management, Tilburg University, The Netherlands
  • Andreas A. Papandreou, Professor, Department of Economics, National and Kapodistrian University of Athens
  • Michael Rauscher, Professor, Department of Economics, Universität Rostock, Germany
  • Alessandro Tavoni,  Associate Professorial Research Fellow, Grantham Research Institute, London School of Economics, UK
  • Anastasios Xepapadeas, Professor, Department of International and European Economic Studies, Athens University of Economics and Business

 

Ανοιχτή στο κοινό συζήτηση για την κλιματική αλλαγή

Το Σάββατο 19 Μαΐου 2018 θα γίνει μια προσπάθεια σύνδεσης των αποτελεσμάτων του ερευνητικού προγράμματος με τις πραγματικές δυσκολίες που αφορούν την αντιμετώπιση του προβλήματος της κλιματικής αλλαγής και τον ρόλο της Ελλάδος. Το μέρος αυτό του προγράμματος θα πραγματοποιηθεί στην ελληνική γλώσσα, και θα είναι ανοικτή στο κοινό, σε μια προσπάθεια ευρύτερης διάχυσης των αποτελεσμάτων του προγράμματος.  Η πρώτη συνεδρία θα ξεκινήσει στις 10:00 με την παρουσίαση εκλαϊκευμένης σύνοψης των αποτελεσμάτων του προγράμματος και θα ακολουθήσει ομιλία του αναπληρωτή υπουργού Ενέργειας και Περιβάλλοντος, Σωκράτη Φάμελλου, για την κλιματική αλλαγή με έμφαση στη θέση της Ελλάδος.  Στην δεύτερη συνεδρία, που θα ξεκινήσει στις 11:30, θα γίνει συζήτηση στρογγυλής τραπέζης, με συμμετέχοντες τον αν.υπουργό κ. Φάμελλο, τον Δημήτρη Ιμπραήμ της Greanpeace, τον Κυριάκο Ψύχα, Διευθυντή του Τμήματος Κλιματικής Αλλαγής του Υπουργείου Ενέργειας και Περιβάλλοντος και τούς καθηγητές κ. Αναστάσιο Ξεπαπαδέα και Ευτύχιο Σαρτζετάκη. Την συζήτηση θα συντονίσει ο δημοσιογράφος, Παντελής Σαββίδης.

Επισυνάπτεται το πρόγραμμα του συνεδρίου

 
INTERNATIONA ENVIRONMENTAL AGREEMENTS
 
 
 

Does Output Predict Unemployment? A Look at Okun’s Law in Greece

01/12/2013
unemployment
by Costas Karfakis & Konstantinos Katrakilidis & Eftychia Tsanana

This paper examines the unemployment-output relationship in Greece, using a dynamic version of Okun’s Law. The Granger causality tests indicate that real output is important to understanding future movements in unemployment. The Okun’s ratio is 3-to-1, implying that one percent increase in unemployment has been associated to a three percent decrease in real output during the last thirteen years. In addition, the response of unemployment to real output is found to be stronger when there is a contraction rather than an expansion of real activity. This empirical fact is consistent with the developments of the Beveridge curve, which illustrate that a significant portion of actual unemployment is structural in nature. Therefore, a fall in unemployment will require not only a pick-up in aggregate demand but also structural reforms in the Greek labour market, which will make the economy competitive and reduce long-term unemployment.

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On the stationarity of per capita carbon dioxide emissions over a century

01/12/2013
Carbon-dioxide
by Maria Christisou & Theodore Panagiotidis & Abhijit Sharma

This paper examines the stationarity of carbon dioxide (CO2) emissions per capita for a set of 36 countries covering the period 1870-2006. We employ recently developed unit root and stationarity tests that allow for the mean reverting process to be nonlinear and take into account cross sectional dependence. By grouping countries according to their geographical proximity the importance of cross sectional dependence in panel unit root and stationarity tests is revealed. Using a recently developed nonlinear panel unit root test, we find strong evidence that the per capita carbon dioxide emissions over the last one hundred and fifty years are stationary. Our nonlinear specification captures the dynamics of the emissions time series data more effectively and we obtain evidence supporting stationarity for all country groups under study.

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A note on the extent of US regional income convergence

01/12/2013
regional-income-convergence
by Mark J. Holmes & Jesus Otero & Theodore Panagiotidis

Long-run income convergence is investigated in the US context. We employ a novel pair-wise econometric procedure based on a probabilistic definition of convergence. The time-series properties of all the possible regional income pairs are examined by means of unit root and non-cointegration tests where inference is based on the fraction of rejections. We distinguish between the cases of strong convergence, where the implied cointegrating vector is [1,-1], and weak convergence, where long-run homogeneity is relaxed. To address cross-sectional dependence, we employ a bootstrap methodology to derive the empirical distribution of the fraction of rejections. We find supporting evidence of US states sharing a common stochastic trend consistent with a definition of convergence based on long-run forecasts of state incomes being proportional rather than equal. We find that the strength of convergence between states decreases with distance and initial income disparity. Using Metropolitan Statistical Areas data, evidence for convergence is stronger.

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Using tradable water permits in irrigated agriculture

01/12/2013
tradable-water
by Dionisios Latinopoulos & Eftichios Sartzetakis

One of the most important challenges facing agricultural water policy is the design of mechanisms enabling the transition from the current myopic exploitation to an efficient and sustainable use of groundwater resources. Tradable water permits systems can be very effective and efficient instruments, especially under conditions of limited water availability. The present paper examines both theoretically and empirically the efficiency potential of implementing a tradable permit system in irrigated agriculture taking into account the heterogeneity of crop agro-economic profiles within a single aquifer. We first confirm that in the absence of any water management system individual farmers deplete the available water resources very fast and that both a tradable and a non tradeable water permit management system provide the basic mechanism for sustainable water use. Both systems impose significant costs on farmers which can be counterbalanced if water depletion is associated with lower productivity as a result of water quality changes (i.e. water salinization). However, when trade of water is allowed the benefits of implementing a permit management system are maximized. The more diverse, in technology and market prices, are the crops sharing the same aquifer and the stricter is the water constrain, the higher are the benefits from using a tradable water permit system.

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International Environmental Agreements: An Emission Choice Model with Abatement Technology

01/12/2013
International-Environmental-Agreements
by Eftichios Sartzetakis & Stefania Strantza

The present paper examines the size of stable IEAs concerning transboundary environmental problems. A coalition is considered stable when no signatories wish to withdraw while no more countries wish to participate. We assume that the coalition behaves as a leader maximizing its members’ aggregate welfare while the countries outside the coalition maximize their own welfare independently, taking the choice of the coalition as given. We further assume a benefit function that is concave in the country’s own emissions, an environmental damage function that is convex in aggregate net emissions and an abatement cost function that is convex in the country’s abatement effort. Each country chooses both its emission and abatement levels. Within this framework we find that the size of the stable coalition depends on the model’s parameters but it is always larger than in the case in which countries are allowed to choose either emission or abatement level. Our results complement Barrett’s (1994) suggestion that the size of the stable coalition depends on the model’s parameters, even though we are imposing the constraint that the net emission flow is positive.

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