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Costas Lapavitsas, former member of Syriza and member of ERENSEP, presents a plan for Greece to exit the euro currency in Athens, Greece, February 15, 2017. The ERENSEP study describes the process for the exit of Greece from the eurozone, towards an overall reshaping of the economic and social policies. The study shows the process from the eurozone, in the direction of an overall reform of economic and social development policy, boosting employment and income growth. The European Research Network On Social and Economic Policy (ERENSEP) is an independent non-profit organisation registered in Greece and based at the School of Oriental and African Studies, University of London. (Photo by Giorgos Georgiou/NurPhoto via Getty Images)

Costas Lapavitsas, former member of Syriza and member of ERENSEP, presents a plan for Greece to exit the euro currency in Athens, Greece, February 15, 2017. The ERENSEP study describes the process for the exit of Greece from the eurozone, towards an overall reshaping of the economic and social policies. The study shows the process from the eurozone, in the direction of an overall reform of economic and social development policy, boosting employment and income growth. The European Research Network On Social and Economic Policy (ERENSEP) is an independent non-profit organisation registered in Greece and based at the School of Oriental and African Studies, University of London. (Photo by Giorgos Georgiou/NurPhoto via Getty Images)

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Costas Lapavitsas, former member of Syriza and member of ERENSEP, presents a plan for Greece to exit the euro currency in Athens, Greece, February 15, 2017. The ERENSEP study describes the process for the exit of Greece from the eurozone, towards an overall reshaping of the economic and social policies. The study shows the process from the eurozone, in the direction of an overall reform of economic and social development policy, boosting employment and income growth. The European Research Network On Social and Economic Policy (ERENSEP) is an independent non-profit organisation registered in Greece and based at the School of Oriental and African Studies, University of London. (Photo by Giorgos Georgiou/NurPhoto via Getty Images)

Costas Lapavitsas, former member of Syriza and member of ERENSEP, presents a plan for Greece to exit the euro currency in Athens, Greece, February 15, 2017. The ERENSEP study describes the process for the exit of Greece from the eurozone, towards an overall reshaping of the economic and social policies. The study shows the process from the eurozone, in the direction of an overall reform of economic and social development policy, boosting employment and income growth. The European Research Network On Social and Economic Policy (ERENSEP) is an independent non-profit organisation registered in Greece and based at the School of Oriental and African Studies, University of London. (Photo by Giorgos Georgiou/NurPhoto via Getty Images)

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Costas Lapavitsas, former member of Syriza and member of ERENSEP, presents a plan for Greece to exit the euro currency in Athens, Greece, February 15, 2017. The ERENSEP study describes the process for the exit of Greece from the eurozone, towards an overall reshaping of the economic and social policies. The study shows the process from the eurozone, in the direction of an overall reform of economic and social development policy, boosting employment and income growth. The European Research Network On Social and Economic Policy (ERENSEP) is an independent non-profit organisation registered in Greece and based at the School of Oriental and African Studies, University of London. (Photo by Giorgos Georgiou/NurPhoto via Getty Images)

Costas Lapavitsas, former member of Syriza and member of ERENSEP, presents a plan for Greece to exit the euro currency in Athens, Greece, February 15, 2017. The ERENSEP study describes the process for the exit of Greece from the eurozone, towards an overall reshaping of the economic and social policies. The study shows the process from the eurozone, in the direction of an overall reform of economic and social development policy, boosting employment and income growth. The European Research Network On Social and Economic Policy (ERENSEP) is an independent non-profit organisation registered in Greece and based at the School of Oriental and African Studies, University of London. (Photo by Giorgos Georgiou/NurPhoto via Getty Images)

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Costas Lapavitsas, former member of Syriza and member of ERENSEP, presents a plan for Greece to exit the euro currency in Athens, Greece, February 15, 2017. The ERENSEP study describes the process for the exit of Greece from the eurozone, towards an overall reshaping of the economic and social policies. The study shows the process from the eurozone, in the direction of an overall reform of economic and social development policy, boosting employment and income growth. The European Research Network On Social and Economic Policy (ERENSEP) is an independent non-profit organisation registered in Greece and based at the School of Oriental and African Studies, University of London. (Photo by Giorgos Georgiou/NurPhoto via Getty Images)

Costas Lapavitsas, former member of Syriza and member of ERENSEP, presents a plan for Greece to exit the euro currency in Athens, Greece, February 15, 2017. The ERENSEP study describes the process for the exit of Greece from the eurozone, towards an overall reshaping of the economic and social policies. The study shows the process from the eurozone, in the direction of an overall reform of economic and social development policy, boosting employment and income growth. The European Research Network On Social and Economic Policy (ERENSEP) is an independent non-profit organisation registered in Greece and based at the School of Oriental and African Studies, University of London. (Photo by Giorgos Georgiou/NurPhoto via Getty Images)

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Costas Lapavitsas, former member of Syriza and member of ERENSEP, presents a plan for Greece to exit the euro currency in Athens, Greece, February 15, 2017. The ERENSEP study describes the process for the exit of Greece from the eurozone, towards an overall reshaping of the economic and social policies. The study shows the process from the eurozone, in the direction of an overall reform of economic and social development policy, boosting employment and income growth. The European Research Network On Social and Economic Policy (ERENSEP) is an independent non-profit organisation registered in Greece and based at the School of Oriental and African Studies, University of London. (Photo by Giorgos Georgiou/NurPhoto via Getty Images)

Costas Lapavitsas, former member of Syriza and member of ERENSEP, presents a plan for Greece to exit the euro currency in Athens, Greece, February 15, 2017. The ERENSEP study describes the process for the exit of Greece from the eurozone, towards an overall reshaping of the economic and social policies. The study shows the process from the eurozone, in the direction of an overall reform of economic and social development policy, boosting employment and income growth. The European Research Network On Social and Economic Policy (ERENSEP) is an independent non-profit organisation registered in Greece and based at the School of Oriental and African Studies, University of London. (Photo by Giorgos Georgiou/NurPhoto via Getty Images)