Links for 04-28-15

• Is the universe a hologram? - EurekAlert
• Unit roots in English and Pictures - John Cochrane
• Residential real estate in China - Cecchetti & Schoenholtz
• Whither the inflation target? - Croaking Cassandra
• Received wisdom in macroeconomics - mainly macro
• The Political Roots of Widening Inequality - Robert Reich
• A Partial Solution to Income Inequality - David Beckworth
• Are Immigrants a Shot in the Arm for the Local Economy? - NBER
• Greek President Pavlopoulos Rules Out Possibility of Euro Exit - Spiegel
• The mechanics of exchange and non market-clearing prices - Nick Rowe
• The Status of Online of Learning in Higher Education - Tim Taylor
• The effects of top tax rates on superstar inventors - Vox EU
• The coming defaults of Greece - Vox EU
• Back to Basics - James Surowiecki
• Scarce Skills, Not Scarce Jobs - James Beeson
• The Trans-Pacific Partnership - Jérémie Cohen-Setton
• Economists: Drop the Signaling Fad - Noah Smith