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Who Gains from Phone Number Portability
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ANDREA FOSFURI
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Number portability makes customers happier and also increases phone operators’ profits. The reason? It eliminates dangerous price wars.
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How to Save the Green Transition
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ITALO COLANTONE, LIVIO DI LONARDO, MARCO PERCOCO
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An uneven distribution of costs risks triggering a political backlash that could eventually put in power parties opposed to the green agenda.
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Hiring Credits Create Jobs
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THOMAS LE BARBANCHON
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Paying small firms to hire people is very cost effective when some conditions are met.
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What Affects the Cost of Equity
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FLORIAN NAGLER
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The share of short-term debt, and not the simple level of leverage, makes equity more expensive.
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The Sliding Doors of Game Theory
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PIERPAOLO BATTIGALLI, SIMONE CERREIA VIOGLIO, FABIO MACCHERONI, MASSIMO MARINACCI
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Unlike Gwyneth Paltrow, we can only learn from the consequences of the decisions we make.
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Most Read Stories of the Semester
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WEIWEI CHEN
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In case you missed them, here is a recap of research stories that fascinated readers.
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Video & Podcast
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Never Cut Pensions
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DAVID STUCKLER
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It turns out to be a false economy.
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Measuring Poverty
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ZACHARY PAROLIN
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A change is needed in data collection.
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Uncertainty in Machine Learning
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BOTOND SZABO
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The new techniques that can assess it.
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